All Ships of World War II
| Name | Class | Country | Year of Launch |
| A (Planned)  | No Classification  | Germany  |   |
| A (Planned)  | No Classification  | Germany  |   |
| ABSD-1  | No Classification  | United States  |   |
| ABSD-2  | No Classification  | United States  |   |
| Abukuma  | Nagara-class Light Cruiser  | Japan  | 1923  |
| Acavus  | Rapana-class Merchant Vessel  | United Kingdom  |   |
| Activity  | Activity-class Escort Carrier  | United Kingdom  | 1942  |
| Adelaide  | Town-class Light Cruiser  | Australia  | 1918  |
| Admiral Graf Spee  | Deutschland-class Heavy Cruiser  | Germany  | 1934  |
| Admiral Hipper  | Admiral Hipper-class Heavy Cruiser  | Germany  | 1937  |
| Admiral Scheer  | Deutschland-class Heavy Cruiser  | Germany  | 1933  |
| Adolf Lüderitz  | Carl Peters-class Tender  | Germany  | 1939  |
| Adula  | Rapana-class Merchant Vessel  | United Kingdom  |   |
| Agano  | Agano-class Light Cruiser  | Japan  | 1941  |
| Akagi  | Akagi-class Aircraft Carrier  | Japan  | 1925  |
| Akashi  | Akashi-class Repair Ship  | Japan  | 1938  |
| Alabama  | South Dakota-class Battleship  | United States  | 1942  |
| Alaska  | Alaska-class Large Cruiser  | United States  | 1943  |
| Albacore  | Gato-class Submarine  | United States  | 1942  |
| Albatros  | 1923-class Motor Torpedo Boat  | Germany  | 1926  |
| Albatross  | No Classification  | United Kingdom  |   |
| Albert Leo Schlageter  | Gorch Fock-class Barque  | Germany  | 1937  |
| Albert W. Grant  | Fletcher-class Destroyer  | United States  | 1943  |
| Alfredo Oriani  | Oriani-class Destroyer  | Italy  |   |
| Algérie  | Algérie-class Heavy Cruiser  | France  | 1932  |
| Alpino  | Soldati-class Destroyer  | Italy  |   |
| Altmark  | No Classification  | Germany  | 1937  |
| Amagi  | Unryu-class Aircraft Carrier  | Japan  | 1943  |
| Amagiri  | Fubuki-class Destroyer  | Japan  | 1930  |
| Amberjack  | Gato-class Submarine  | United States  |   |
| Ambra  | Perla-class Submarine  | Italy  |   |
| Ameer  | Ruler-class Escort Carrier  | United Kingdom  | 1942  |
| Ancon  | No Classification  | United States  | 1938  |
| Ancylus  | Rapana-class Merchant Vessel  | United Kingdom  | 1935  |
| Angler  | Gato-class Submarine  | United States  |   |
| Anson  | King George V (1939)-class Battleship  | United Kingdom  |   |
| Anticosti  | Isles-class Trawler  | Canada  | 1942  |
| Anzio  | Casablanca-class Escort Carrier  | United States  | 1943  |
| Aoba  | Furutaka-class Heavy Cruiser  | Japan  | 1926  |
| Apogon  | Balao-class Submarine  | United States  | 1943  |
| Arashio  | Asashio-class Destroyer  | Japan  |   |
| Arbiter  | Ruler-class Escort Carrier  | United Kingdom  | 1943  |
| Archer  | Archer-class Escort Carrier  | United Kingdom  |   |
| Archerfish  | Balao-class Submarine  | United States  |   |
| Argonaut (Argonaut-class)  | Argonaut-class Submarine  | United States  |   |
| Argonaut (Tench-class)  | Tench-class Submarine  | United States  |   |
| Argus  | Argus-class Aircraft Carrier  | United Kingdom  | 1917  |
| Arisan Maru  | No Classification  | Japan  |   |
| Arizona  | Pennsylvania-class Battleship  | United States  | 1915  |
| Ark Royal  | Ark Royal-class Aircraft Carrier  | United Kingdom  | 1937  |
| Armidale  | Bathurst-class Corvette  | Australia  | 1942  |
| Artigliere  | Soldati-class Destroyer  | Italy  |   |
| Asagumo  | Asashio-class Destroyer  | Japan  |   |
| Asama Maru  | No Classification  | Japan  | 1928  |
| Ascari  | Soldati-class Destroyer  | Italy  | 1938  |
| Ashigara  | Myoko-class Heavy Cruiser  | Japan  | 1928  |
| Aspro  | Balao-class Submarine  | United States  |   |
| Astoria (Cleveland-class)  | Cleveland-class Light Cruiser  | United States  |   |
| Astoria (New Orleans-class)  | New Orleans-class Heavy Cruiser  | United States  | 1933  |
| Atago  | Takao-class Heavy Cruiser  | Japan  | 1930  |
| Atlanta  | Atlanta-class Light Cruiser  | United States  | 1941  |
| Atlantis  | No Classification  | Germany  | 1937  |
| Atule  | Balao-class Submarine  | United States  |   |
| Augusta  | Northampton-class Heavy Cruiser  | United States  | 1930  |
| Austin  | Evarts-class Destroyer Escort  | United States  | 1942  |
| Australia  | County-class Heavy Cruiser  | Australia  | 1927  |
| Aviere  | Soldati-class Destroyer  | Italy  | 1937  |
| Awa Maru  | No Classification  | Japan  | 1942  |
| B (Planned)  | No Classification  | Germany  |   |
| B (Planned)  | Graf Zeppelin-class Aircraft Carrier  | Germany  | 1940 (Projected, not actual)  |
| Błyskawica  | Grom-class Destroyer  | Poland  | 1936  |
| Bailey  | Benson-class Destroyer  | United States  | 1941  |
| Balao  | Balao-class Submarine  | United States  |   |
| Baltimore  | Baltimore-class Heavy Cruiser  | United States  | 1942  |
| Bang  | Balao-class Submarine  | United States  |   |
| Barb  | Gato-class Submarine  | United States  |   |
| Barbel  | Balao-class Submarine  | United States  |   |
| Barbero  | Balao-class Submarine  | United States  | 1943  |
| Barham  | Queen Elizabeth-class Battleship  | United Kingdom  | 1914  |
| Bashaw  | Gato-class Submarine  | United States  |   |
| Bataan (Independence-class)  | Independence-class Light Carrier  | United States  | 1943  |
| Bataan (Tribal-class)  | Tribal-class Destroyer  | Australia  | 1944  |
| Batfish  | Balao-class Submarine  | United States  |   |
| Baya  | Balao-class Submarine  | United States  | 1944  |
| Béarn  | Béarn-class Aircraft Carrier  | France  |   |
| Becuna  | Balao-class Submarine  | United States  | 1944  |
| Belfast  | Town-class Light Cruiser  | United Kingdom  | 1938  |
| Bell  | Fletcher-class Destroyer  | United States  | 1942  |
| Belleau Wood  | Independence-class Light Carrier  | United States  | 1942  |
| Bennington  | Essex-class Aircraft Carrier  | United States  | 1944  |
| Bergall  | Balao-class Submarine  | United States  | 1944  |
| Bersagliere  | Soldati-class Destroyer  | Italy  | 1938  |
| Besugo  | Balao-class Submarine  | United States  |   |
| Billfish  | Balao-class Submarine  | United States  |   |
| Birmingham  | Town-class Light Cruiser  | United Kingdom  | 1936  |
| Biscayne  | Barnegat-class Seaplane Tender  | United States  | 1941  |
| Bismarck  | Bismarck-class Battleship  | Germany  | 1939  |
| Blackfin  | Balao-class Submarine  | United States  | 1944  |
| Blackfish  | Gato-class Submarine  | United States  |   |
| Blenny  | Balao-class Submarine  | United States  | 1944  |
| Blower  | Balao-class Submarine  | United States  |   |
| Blueback  | Balao-class Submarine  | United States  |   |
| Bluefish  | Gato-class Submarine  | United States  | 1943  |
| Bluegill  | Gato-class Submarine  | United States  |   |
| Blücher  | Admiral Hipper-class Heavy Cruiser  | Germany  | 1937  |
| Boarfish  | Balao-class Submarine  | United States  | 1944  |
| Boise  | Brooklyn-class Light Cruiser  | United States  |   |
| Bolzano  | Trento-class Heavy Cruiser  | Italy  | 1932  |
| Bombardiere  | Soldati-class Destroyer  | Italy  |   |
| Bonefish  | Gato-class Submarine  | United States  |   |
| Boston  | Baltimore-class Heavy Cruiser  | United States  |   |
| Bowfin  | Balao-class Submarine  | United States  |   |
| Bream  | Gato-class Submarine  | United States  |   |
| Bremse  | No Classification  | Germany  | 1932  |
| Bretagne  | Bretagne-class Battleship  | France  | 1913  |
| Brill  | Balao-class Submarine  | United States  | 1944  |
| Brummer  | No Classification  | Germany  | 1935  |
| Bugara  | Balao-class Submarine  | United States  | 1944  |
| Bullhead  | Balao-class Submarine  | United States  |   |
| Bumper  | Balao-class Submarine  | United States  |   |
| Bunker Hill  | Essex-class Aircraft Carrier  | United States  | 1942  |
| Burrfish  | Balao-class Submarine  | United States  |   |
| Burza  | Wicher-class Destroyer  | Poland  | 1929  |
| Bussard  | No Classification  | Germany  |   |
| C (Planned)  | Graf Zeppelin-class Aircraft Carrier  | Germany  | 1945 (Projected, not actual)  |
| C (Planned)  | No Classification  | Germany  |   |
| Cabezon  | Balao-class Submarine  | United States  |   |
| Cabot  | Independence-class Light Carrier  | United States  | 1943  |
| Cabrilla  | Balao-class Submarine  | United States  | 1942  |
| Cachalot (Cachalot-class)  | Cachalot-class Submarine  | United States  | 1933  |
| Cachalot (Grampus-class)  | Grampus-class Minelaying Submarine  | United Kingdom  | 1937  |
| Caiman  | Balao-class Submarine  | United States  | 1944  |
| California  | Tennessee-class Battleship  | United States  |   |
| Camicia Nera  | Soldati-class Destroyer  | Italy  | 1937  |
| Canberra (Baltimore-class)  | Baltimore-class Heavy Cruiser  | United States  | 1943  |
| Canberra (County-class)  | County-class Heavy Cruiser  | Australia  |   |
| Canfield  | Evarts-class Destroyer Escort  | United States  | 1943  |
| Capelin  | Balao-class Submarine  | United States  |   |
| Capitaine  | Balao-class Submarine  | United States  | 1944  |
| Carabiniere  | Soldati-class Destroyer  | Italy  | 1938  |
| Carbonero  | Balao-class Submarine  | United States  | 1944  |
| Carl Peters  | Carl Peters-class Tender  | Germany  | 1939  |
| Carl Zeiss  | No Classification  | Germany  | 1938  |
| Carp  | Balao-class Submarine  | United States  |   |
| Casabianca  | Redoubtable-class Submarine  | France  | 1935  |
| Casablanca  | Casablanca-class Escort Carrier  | United States  | 1943  |
| Cassin Young  | Fletcher-class Destroyer  | United States  | 1943  |
| Cavalla  | Gato-class Submarine  | United States  |   |
| Centurion  | King George V (1911)-class Battleship  | United Kingdom  | 1911  |
| Cero  | Gato-class Submarine  | United States  | 1943  |
| Chariot-class Summary Information  | Chariot-class Midget Submarine  | United Kingdom  |   |
| Charles J. Badger  | Fletcher-class Destroyer  | United States  | 1943  |
| Charr  | Balao-class Submarine  | United States  | 1944  |
| Chester  | Northampton-class Heavy Cruiser  | United States  | 1929  |
| Chicago  | Northampton-class Heavy Cruiser  | United States  | 1930  |
| Chikuma  | Tone-class Heavy Cruiser  | Japan  | 1938  |
| Chitose  | Chitose-class Light Carrier  | Japan  | 1936  |
| Chiyoda  | Chitose-class Light Carrier  | Japan  | 1936  |
| Chokai  | Takao-class Heavy Cruiser  | Japan  | 1931  |
| Chub  | Balao-class Submarine  | United States  | 1944  |
| Chuyo  | Taiyo-class Escort Carrier  | Japan  | 1939  |
| Cisco  | Balao-class Submarine  | United States  | 1942  |
| Cobia  | Gato-class Submarine  | United States  |   |
| Cochino  | Balao-class Submarine  | United States  |   |
| Cod  | Gato-class Submarine  | United States  | 1943  |
| Colbert  | Suffren-class Heavy Cruiser  | France  | 1928  |
| Colorado  | Colorado-class Battleship  | United States  | 1921  |
| Colossus  | Colossus-class Light Carrier  | United Kingdom  | 1943  |
| Columbia  | Cleveland-class Light Cruiser  | United States  | 1941  |
| Concord  | Omaha-class Light Cruiser  | United States  | 1921  |
| Console Generale Liuzzi  | Liuzzi-class Submarine  | Italy  | 1939  |
| Conte di Cavour  | Conte di Cavour-class Battleship  | Italy  | 1911  |
| Copahee  | Bogue-class Escort Carrier  | United States  | 1941  |
| Corazziere  | Soldati-class Destroyer  | Italy  | 1938  |
| Cornwall  | County-class Heavy Cruiser  | United Kingdom  | 1926  |
| Coronel  | No Classification  | Germany  | 1938  |
| Corregidor  | Casablanca-class Escort Carrier  | United States  | 1943  |
| Corsaro  | Soldati-class Destroyer  | Italy  |   |
| Corvina  | Gato-class Submarine  | United States  | 1943  |
| Cossack  | Tribal-class Destroyer  | United Kingdom  | 1937  |
| Cotten  | Fletcher-class Destroyer  | United States  | 1943  |
| Courageous  | Courageous-class Aircraft Carrier  | United Kingdom  |   |
| Cowpens  | Independence-class Light Carrier  | United States  | 1943  |
| Craven  | Gridley-class Destroyer  | United States  | 1937  |
| Crevalle  | Balao-class Submarine  | United States  |   |
| Croaker  | Gato-class Submarine  | United States  | 1943  |
| Cumberland  | County-class Heavy Cruiser  | United Kingdom  | 1926  |
| Cummings  | Mahan-class Destroyer  | United States  | 1935  |
| Cuttlefish  | Cachalot-class Submarine  | United States  | 1933  |
| D (Planned)  | Graf Zeppelin-class Aircraft Carrier  | Germany  | 1947 (Projected, not actual)  |
| D (Planned)  | No Classification  | Germany  |   |
| Dace  | Gato-class Submarine  | United States  |   |
| Daihatsu-class Summary Information  | Daihatsu-class Landing Craft  | Japan  |   |
| Daly  | Fletcher-class Destroyer  | United States  | 1942  |
| Danae  | Danae-class Light Cruiser  | United Kingdom  | 1918  |
| Darter  | Gato-class Submarine  | United States  |   |
| De Grasse  | De Grasse-class Light Cruiser  | France  | 1946  |
| Delhi  | Danae-class Light Cruiser  | United Kingdom  | 1918  |
| Dentuda  | Balao-class Submarine  | United States  |   |
| Denver  | Cleveland-class Light Cruiser  | United States  | 1942  |
| Detroit  | Omaha-class Light Cruiser  | United States  | 1922  |
| Deutschland  | Deutschland-class Heavy Cruiser  | Germany  | 1931  |
| Devilfish  | Balao-class Submarine  | United States  |   |
| Devonshire  | County-class Heavy Cruiser  | United Kingdom  | 1927  |
| Dianthus  | Flower-class Corvette  | United Kingdom  | 1940  |
| Dithmarschen  | No Classification  | Germany  | 1937  |
| Doherty  | Evarts-class Destroyer Escort  | United States  | 1942  |
| Dolphin  | Dolphin-class Submarine  | United States  |   |
| Doneff  | Evarts-class Destroyer Escort  | United States  | 1942  |
| Dorado  | Gato-class Submarine  | United States  | 1943  |
| Dorsetshire  | County-class Heavy Cruiser  | United Kingdom  | 1929  |
| Dragon  | Danae-class Light Cruiser  | United Kingdom  | 1917  |
| Dragonet  | Balao-class Submarine  | United States  | 1943  |
| Drayton  | Mahan-class Destroyer  | United States  | 1936  |
| Drum  | Gato-class Submarine  | United States  | 1941  |
| Duguay-Trouin  | Duguay-Trouin-class Light Cruiser  | France  | 1923  |
| Duke of York  | King George V (1939)-class Battleship  | United Kingdom  |   |
| Dunkerque  | Dunkerque-class Battleship  | France  | 1935  |
| Dupleix  | Suffren-class Heavy Cruiser  | France  | 1930  |
| Duquesne  | Duquesne-class Heavy Cruiser  | France  | 1925  |
| E (Planned)  | No Classification  | Germany  |   |
| Eagle  | Eagle-class Aircraft Carrier  | United Kingdom  | 1918  |
| Edinburgh  | Town-class Light Cruiser  | United Kingdom  | 1938  |
| Effingham  | Hawkins-class Heavy Cruiser  | United Kingdom  | 1921  |
| Ellet  | Benham-class Destroyer  | United States  | 1938  |
| Elli  | Zhaohe-class Protected Cruiser  | Greece  | 1913  |
| Emden  | Emden-class Light Cruiser  | Germany  | 1925  |
| Émile Bertin  | Émile Bertin-class Light Cruiser  | France  | 1933  |
| Engstrom  | Evarts-class Destroyer Escort  | United States  | 1942  |
| Enterprise  | Yorktown-class Aircraft Carrier  | United States  | 1936  |
| Ermland  | No Classification  | Germany  |   |
| Erwin Wassner  | No Classification  | Germany  | 1938  |
| Escolar  | Balao-class Submarine  | United States  | 1943  |
| Essex  | Essex-class Aircraft Carrier  | United States  | 1942  |
| Exeter  | York-class Heavy Cruiser  | United Kingdom  | 1928  |
| Express  | E-class Destroyer  | United Kingdom  | 1934  |
| F (Planned)  | No Classification  | Germany  |   |
| F1  | F-class Destroyer Escort  | Germany  | 1935  |
| F10  | F-class Destroyer Escort  | Germany  | 1936  |
| F2  | F-class Destroyer Escort  | Germany  | 1935  |
| F3  | F-class Destroyer Escort  | Germany  | 1935  |
| F4  | F-class Destroyer Escort  | Germany  | 1935  |
| F5  | F-class Destroyer Escort  | Germany  | 1935  |
| F6  | F-class Destroyer Escort  | Germany  | 1935  |
| F7  | F-class Destroyer Escort  | Germany  | 1936  |
| F8  | F-class Destroyer Escort  | Germany  | 1936  |
| F9  | F-class Destroyer Escort  | Germany  | 1936  |
| Fairmile D-class Summary Information  | Fairmile D-class Motor Torpedo Boat  | United Kingdom  |   |
| Falke  | No Classification  | Germany  | 1940  |
| Falke  | 1923-class Motor Torpedo Boat  | Germany  | 1926  |
| Farragut  | Farragut-class Destroyer  | United States  | 1934  |
| Fieberling  | Buckley-class Destroyer Escort  | United States  | 1944  |
| Finback  | Gato-class Submarine  | United States  | 1941  |
| Fiume  | Zara-class Heavy Cruiser  | Italy  |   |
| Flasher  | Gato-class Submarine  | United States  |   |
| Flier  | Gato-class Submarine  | United States  | 1943  |
| Flounder  | Gato-class Submarine  | United States  |   |
| Flying Fish  | Gato-class Submarine  | United States  | 1941  |
| Foch  | Suffren-class Heavy Cruiser  | France  | 1929  |
| Formidable  | Illustrious-class Aircraft Carrier  | United Kingdom  | 1939  |
| Fox  | Clemson-class Destroyer  | United States  | 1919  |
| Franken  | No Classification  | Germany  | 1939  |
| Franklin  | Essex-class Aircraft Carrier  | United States  | 1943  |
| Friesenland  | No Classification  | Germany  | 1937  |
| Fuciliere  | Soldati-class Destroyer  | Italy  | 1938  |
| Furious  | Courageous-class Aircraft Carrier  | United Kingdom  | 1916  |
| Furutaka  | Furutaka-class Heavy Cruiser  | Japan  | 1925  |
| Fuso  | Fuso-class Battleship  | Japan  | 1914  |
| G (Planned)  | No Classification  | Germany  |   |
| G  | No Classification  | Germany  | 1939  |
| G1  | G-class Destroyer Escort  | Germany  |   |
| G2  | G-class Destroyer Escort  | Germany  |   |
| G3  | G-class Destroyer Escort  | Germany  |   |
| G4 (Planned)  | G-class Destroyer Escort  | Germany  |   |
| Gabilan  | Gato-class Submarine  | United States  | 1943  |
| Gar  | Tambor-class Submarine  | United States  | 1940  |
| Garland  | G-class Destroyer  | Poland  | 1935  |
| Gato  | Gato-class Submarine  | United States  |   |
| Geniere  | Soldati-class Destroyer  | Italy  | 1938  |
| Georges Leygues  | La Galissonnière-class Light Cruiser  | France  | 1936  |
| Gilmore  | Evarts-class Destroyer Escort  | United States  | 1942  |
| Giosuè Carducci  | Oriani-class Destroyer  | Italy  |   |
| Giulio Cesare  | Conte di Cavour-class Battleship  | Italy  | 1911  |
| Glasgow  | Town-class Light Cruiser  | United Kingdom  | 1936  |
| Gloire  | La Galissonnière-class Light Cruiser  | France  | 1935  |
| Glorious  | Courageous-class Aircraft Carrier  | United Kingdom  | 1916  |
| Glory  | Colossus-class Light Carrier  | United Kingdom  | 1943  |
| Gneisenau  | Gneisenau-class Battlecruiser  | Germany  | 1936  |
| Golet  | Gato-class Submarine  | United States  | 1943  |
| Gorch Fock  | Gorch Fock-class Barque  | Germany  | 1933  |
| Gorizia  | Zara-class Heavy Cruiser  | Italy  | 1930  |
| Graf Zeppelin  | Graf Zeppelin-class Aircraft Carrier  | Germany  | 1938  |
| Grampus  | Tambor-class Submarine  | United States  | 1940  |
| Granatiere  | Soldati-class Destroyer  | Italy  | 1938  |
| Graph  | Type VII-class Submarine  | United Kingdom  |   |
| Grayback  | Tambor-class Submarine  | United States  | 1941  |
| Grayling  | Tambor-class Submarine  | United States  |   |
| Grayson  | Gleaves-class Destroyer  | United States  | 1940  |
| Greenling  | Gato-class Submarine  | United States  |   |
| Greif  | 1923-class Motor Torpedo Boat  | Germany  | 1926  |
| Greif  | No Classification  | Germany  |   |
| Grenadier  | Tambor-class Submarine  | United States  |   |
| Gridley  | Gridley-class Destroyer  | United States  | 1936  |
| Grille  | No Classification  | Germany  | 1934  |
| Grom  | Grom-class Destroyer  | Poland  | 1936  |
| Grouper  | Gato-class Submarine  | United States  |   |
| Growler  | Gato-class Submarine  | United States  | 1941  |
| Grunion  | Gato-class Submarine  | United States  | 1941  |
| Guam  | Alaska-class Large Cruiser  | United States  | 1943  |
| Guardfish  | Gato-class Submarine  | United States  |   |
| Guavina  | Balao-class Submarine  | United States  | 1943  |
| Gudgeon  | Tambor-class Submarine  | United States  |   |
| Guitarro  | Gato-class Submarine  | United States  | 1943  |
| Gulland  | Isles-class Trawler  | United Kingdom  | 1943  |
| Gunnel  | Gato-class Submarine  | United States  | 1942  |
| Gurnard  | Gato-class Submarine  | United States  |   |
| H (Planned)  | No Classification  | Germany  |   |
| H (Planned)  | H-class Battleship  | Germany  | 1941 (Projected, not actual)  |
| H (Planned)  | No Classification  | Germany  |   |
| Ha-101  | Type SS-class Submarine  | Japan  | 1944  |
| Ha-102  | Type SS-class Submarine  | Japan  | 1944  |
| Ha-104  | Type SS-class Submarine  | Japan  | 1944  |
| Ha-19  | Type A-class Midget Submarine  | Japan  |   |
| Hackleback  | Balao-class Submarine  | United States  | 1943  |
| Haddo  | Gato-class Submarine  | United States  |   |
| Haddock  | Gato-class Submarine  | United States  | 1941  |
| Haguro  | Myoko-class Heavy Cruiser  | Japan  | 1928  |
| Haichen  | Hairong-class Protected Cruiser  | China  |   |
| Haichou  | Hairong-class Protected Cruiser  | China  | 1897  |
| Haiqi  | Haitien-class Protected Cruiser  | China  |   |
| Hairong  | Hairong-class Protected Cruiser  | China  | 1897  |
| Hake  | Gato-class Submarine  | United States  |   |
| Hakusan Maru  | No Classification  | Japan  | 1918  |
| Halibut  | Gato-class Submarine  | United States  |   |
| Hamakaze  | Kagero-class Destroyer  | Japan  |   |
| Hamilton  | Wickes-class Destroyer  | United States  | 1919  |
| Hammann  | Sims-class Destroyer  | United States  | 1939  |
| Hammerhead  | Balao-class Submarine  | United States  | 1943  |
| Hancock  | Essex-class Aircraft Carrier  | United States  | 1944  |
| Hans Albrecht Wedel  | Hans Albrecht Wedel-class Seaplane Tender  | Germany  | 1940  |
| Harder  | Gato-class Submarine  | United States  | 1942  |
| Hardhead  | Balao-class Submarine  | United States  |   |
| Haruna  | Kongo-class Battleship  | Japan  | 1913  |
| Hatsuzakura  | Tachibana-class Destroyer  | Japan  |   |
| Havelland  | No Classification  | Germany  |   |
| Hawkbill  | Balao-class Submarine  | United States  | 1944  |
| Hela  | Hela-class Tender  | Germany  | 1938  |
| Helena (Baltimore-class)  | Baltimore-class Heavy Cruiser  | United States  |   |
| Helena (St. Louis-class)  | St. Louis-class Light Cruiser  | United States  | 1939  |
| Helm  | Bagley-class Destroyer  | United States  | 1937  |
| Henley  | Bagley-class Destroyer  | United States  | 1937  |
| Herbert Norkus  | Gorch Fock-class Barque  | Germany  | 1939  |
| Hermann Köhl  | Hans Albrecht Wedel-class Seaplane Tender  | Germany  |   |
| Hermes  | Hermes-class Light Carrier  | United Kingdom  | 1919  |
| Herring  | Gato-class Submarine  | United States  |   |
| Hiei  | Kongo-class Battleship  | Japan  | 1912  |
| Hikawa Maru  | No Classification  | Japan  | 1929  |
| Hiryu  | Soryu-class Aircraft Carrier  | Japan  | 1937  |
| Hiyo  | Hiyo-class Escort Carrier  | Japan  | 1941  |
| Hobart  | Leander-class Light Cruiser  | Australia  |   |
| Hoe  | Gato-class Submarine  | United States  | 1942  |
| Hoel  | Fletcher-class Destroyer  | United States  | 1942  |
| Holland  | Holland-class Submarine Tender  | United States  | 1926  |
| Honolulu  | Brooklyn-class Light Cruiser  | United States  |   |
| Hood  | Admiral-class Battlecruiser  | United Kingdom  | 1918  |
| Hornet (Essex-class)  | Essex-class Aircraft Carrier  | United States  | 1943  |
| Hornet (Yorktown-class)  | Yorktown-class Aircraft Carrier  | United States  | 1940  |
| Horst Wessel  | Gorch Fock-class Barque  | Germany  | 1936  |
| Hosho  | Hosho-class Light Carrier  | Japan  | 1921  |
| Houston  | Northampton-class Heavy Cruiser  | United States  | 1929  |
| Howe  | King George V (1939)-class Battleship  | United Kingdom  | 1940  |
| Hulbert  | Clemson-class Destroyer  | United States  | 1919  |
| Hull  | Farragut-class Destroyer  | United States  | 1934  |
| Hyuga  | Ise-class Battleship  | Japan  | 1917  |
| I-14  | Type AM-class Submarine  | Japan  | 1944  |
| I-369  | Type D1-class Submarine  | Japan  | 1944  |
| I-400  | I-400-class Submarine  | Japan  |   |
| I-401  | I-400-class Submarine  | Japan  |   |
| I-402  | I-400-class Submarine  | Japan  |   |
| I-52  | C3-class Submarine  | Japan  |   |
| I-53  | C3-class Submarine  | Japan  |   |
| I-58  | Type B3-class Submarine  | Japan  | 1944  |
| I-68 / I-168  | Kaidai-class Submarine  | Japan  | 1934  |
| Ibuki  | Ibuki-class Light Carrier  | Japan  | 1943  |
| Icefish  | Balao-class Submarine  | United States  |   |
| Ikazuchi  | Akatsuki-class Destroyer  | Japan  | 1932  |
| Illustrious  | Illustrious-class Aircraft Carrier  | United Kingdom  | 1939  |
| Ilmarinen  | Väinämöinen-class Coastal Defense Ship  | Finland  | 1931  |
| Iltis  | 1924-class Motor Torpedo Boat  | Germany  | 1927  |
| Impero  | Vittorio Veneto-class Battleship  | Italy  | 1939  |
| Independence  | Independence-class Light Carrier  | United States  | 1942  |
| Indiana  | South Dakota-class Battleship  | United States  | 1941  |
| Indianapolis  | Portland-class Heavy Cruiser  | United States  | 1931  |
| Indomitable  | Illustrious-class Aircraft Carrier  | United Kingdom  | 1940  |
| Intrepid  | Essex-class Aircraft Carrier  | United States  | 1943  |
| Iowa  | Iowa-class Battleship  | United States  | 1942  |
| Irako  | No Classification  | Japan  | 1941  |
| Iride  | Perla-class Submarine  | Italy  | 1936  |
| Irwin  | Fletcher-class Destroyer  | United States  | 1943  |
| Isaac Sweers  | Gerard Callenburgh-class Destroyer  | Netherlands  | 1940  |
| Ise  | Ise-class Battleship  | Japan  | 1916  |
| Isherwood  | Fletcher-class Destroyer  | United States  | 1942  |
| Isuzu  | Nagara-class Light Cruiser  | Japan  | 1921  |
| Itsukushima  | No Classification  | Japan  | 1929  |
| Iwate  | Izumo-class Armored Cruiser  | Japan  | 1900  |
| Izumo  | Izumo-class Armored Cruiser  | Japan  | 1898  |
| J (Planned)  | H-class Battleship  | Germany  | 1941 (Projected, not actual)  |
| Jack  | Gato-class Submarine  | United States  |   |
| Jaguar  | 1924-class Motor Torpedo Boat  | Germany  | 1928  |
| Jallao  | Balao-class Submarine  | United States  |   |
| Jean Bart  | Richelieu-class Battleship  | France  | 1940  |
| Jean de Vienne  | La Galissonnière-class Light Cruiser  | France  | 1935  |
| Jeanne d'Arc  | Jeanne d'Arc-class Light Cruiser  | France  |   |
| Jintsu  | Sendai-class Light Cruiser  | Japan  | 1923  |
| Johnston  | Fletcher-class Destroyer  | United States  | 1943  |
| Juneau  | Atlanta-class Light Cruiser  | United States  | 1941  |
| Junyo  | Hiyo-class Escort Carrier  | Japan  | 1941  |
| K (Planned)  | H-class Battleship  | Germany  | 1942 (Projected, not actual)  |
| K1 (Planned)  | K1-class Gunboat  | Germany  | 1941 (Projected, not actual)  |
| K2 (Planned)  | K1-class Gunboat  | Germany  | 1941 (Projected, not actual)  |
| K3 (Planned)  | K1-class Gunboat  | Germany  | 1941 (Projected, not actual)  |
| K4 (Planned)  | K1-class Gunboat  | Germany  | 1941 (Projected, not actual)  |
| Kaga  | Kaga-class Aircraft Carrier  | Japan  | 1921  |
| Kaganovich  | Kirov-class Light Cruiser  | Russia  | 1944  |
| Kairyu-class Summary Information  | Kairyu-class Midget Submarine  | Japan  |   |
| Kaiten-class Summary Information  | Kaiten-class Midget Submarine  | Japan  |   |
| Kaiyo  | Kaiyo-class Escort Carrier  | Japan  | 1938  |
| Kako  | Furutaka-class Heavy Cruiser  | Japan  | 1925  |
| Kalinin  | Kirov-class Light Cruiser  | Russia  | 1942  |
| Kamikaze  | Kamikaze-class Destroyer  | Japan  | 1922  |
| Kamoi  | Kamoi-class Seaplane Tender  | Japan  | 1922  |
| Karlsruhe  | K-class Light Cruiser  | Germany  | 1927  |
| Kashi  | Momo-class Destroyer  | Japan  | 1916  |
| Kashii  | Katori-class Light Cruiser  | Japan  | 1941  |
| Kashima  | Katori-class Light Cruiser  | Japan  | 1939  |
| Kasuga  | Kasuga-class Armored Cruiser  | Japan  | 1902  |
| Katori  | Katori-class Light Cruiser  | Japan  | 1939  |
| Katsuragi  | Unryu-class Aircraft Carrier  | Japan  | 1943  |
| Kelly  | K-class Destroyer  | United Kingdom  | 1938  |
| Kembu Maru  | No Classification  | Japan  |   |
| Kete  | Balao-class Submarine  | United States  | 1944  |
| Kikuzuki  | Mutsuki-class Destroyer  | Japan  | 1926  |
| Kilkis  | Mississippi-class Battleship  | Greece  |   |
| Kimberly  | Fletcher-class Destroyer  | United States  | 1943  |
| Kinai Maru  | No Classification  | Japan  |   |
| King George V  | King George V (1939)-class Battleship  | United Kingdom  | 1939  |
| Kingfish  | Gato-class Submarine  | United States  |   |
| Kinu  | Nagara-class Light Cruiser  | Japan  | 1922  |
| Kinugasa  | Furutaka-class Heavy Cruiser  | Japan  | 1926  |
| Kirishima  | Kongo-class Battleship  | Japan  | 1913  |
| Kirov  | Kirov-class Light Cruiser  | Russia  | 1936  |
| Kiso  | Kuma-class Light Cruiser  | Japan  | 1920  |
| Kitakami  | Kuma-class Light Cruiser  | Japan  | 1920  |
| Kitty Hawk  | Kitty Hawk-class Merchant Vessel  | United States  | 1932  |
| Komet  | No Classification  | Germany  | 1936  |
| Kondor  | 1923-class Motor Torpedo Boat  | Germany  | 1926  |
| Kongo  | Kongo-class Battleship  | Japan  | 1913  |
| Kormoran  | No Classification  | Germany  | 1938  |
| Kraken  | Balao-class Submarine  | United States  |   |
| Kuala  | No Classification  | United Kingdom  |   |
| Kuma  | Kuma-class Light Cruiser  | Japan  | 1919  |
| Kumano  | Mogami-class Heavy Cruiser  | Japan  | 1936  |
| Kurmark  | No Classification  | Germany  |   |
| Kyne  | Cannon-class Destroyer Escort  | United States  | 1943  |
| Köln  | K-class Light Cruiser  | Germany  | 1928  |
| Königsberg  | K-class Light Cruiser  | Germany  | 1927  |
| L (Planned)  | H-class Battleship  | Germany  | 1940 (Projected, not actual)  |
| La Galissonnière  | La Galissonnière-class Light Cruiser  | France  |   |
| La Motte-Picquet  | Duguay-Trouin-class Light Cruiser  | France  | 1924  |
| Laffey (Allen M. Sumner-class)  | Allen M. Sumner-class Destroyer  | United States  | 1943  |
| Laffey (Benson-class)  | Benson-class Destroyer  | United States  | 1941  |
| Lagarto  | Balao-class Submarine  | United States  |   |
| Lamprey  | Balao-class Submarine  | United States  |   |
| Lanciere  | Soldati-class Destroyer  | Italy  |   |
| Langley (Independence-class)  | Independence-class Light Carrier  | United States  | 1943  |
| Langley (Langley-class)  | Langley-class Seaplane Tender  | United States  |   |
| Lansdowne  | Gleaves-class Destroyer  | United States  | 1942  |
| Lapon  | Gato-class Submarine  | United States  |   |
| Lardner  | Gleaves-class Destroyer  | United States  | 1942  |
| Lawrence  | Clemson-class Destroyer  | United States  | 1920  |
| LCI(L)-class Summary Information  | LCI(L)-class Landing Ship  | United States  |   |
| LCVP-class Summary Information  | LCVP-class Landing Craft  | United States  |   |
| Legionaro  | Soldati-class Destroyer  | Italy  |   |
| Leipzig  | Leipzig-class Light Cruiser  | Germany  | 1929  |
| Lemnos  | Mississippi-class Battleship  | Greece  | 1905  |
| Leopard  | 1924-class Motor Torpedo Boat  | Germany  | 1928  |
| Leutze  | Fletcher-class Destroyer  | United States  | 1942  |
| Lexington (Essex-class)  | Essex-class Aircraft Carrier  | United States  | 1942  |
| Lexington (Lexington-class)  | Lexington-class Aircraft Carrier  | United States  | 1925  |
| Ling  | Balao-class Submarine  | United States  | 1943  |
| Lionfish  | Balao-class Submarine  | United States  |   |
| Littorio  | Vittorio Veneto-class Battleship  | Italy  | 1937  |
| Lizardfish  | Balao-class Submarine  | United States  |   |
| Loggerhead  | Balao-class Submarine  | United States  |   |
| London  | County-class Heavy Cruiser  | United Kingdom  | 1927  |
| Long Island  | Long Island-class Escort Carrier  | United States  | 1940  |
| Lorraine  | Bretagne-class Battleship  | France  | 1913  |
| Louisville  | Northampton-class Heavy Cruiser  | United States  | 1930  |
| LST-1  | LST-class Landing Ship  | United States  | 1942  |
| LST-412  | LST-class Landing Ship  | United Kingdom  | 1942  |
| Luce  | Fletcher-class Destroyer  | United States  | 1943  |
| Luchs  | 1924-class Motor Torpedo Boat  | Germany  | 1928  |
| Lützow  | Admiral Hipper-class Heavy Cruiser  | Germany  | 1939  |
| M (Planned)  | H-class Battleship  | Germany  | 1942 (Projected, not actual)  |
| M  | No Classification  | Germany  |   |
| M (Planned)  | M-class Light Cruiser  | Germany  | 1941 (Projected, not actual)  |
| M (Planned)  | M-class Light Cruiser  | Germany  | 1945 (Projected, not actual)  |
| M1  | M-class Minesweeper  | Germany  | 1937  |
| M10  | M-class Minesweeper  | Germany  | 1938  |
| M101  | M-class Minesweeper  | Germany  | 1941  |
| M102  | M-class Minesweeper  | Germany  | 1941  |
| M103  | M-class Minesweeper  | Germany  | 1941  |
| M104  | M-class Minesweeper  | Germany  | 1942  |
| M107  | M-class Minesweeper  | Germany  | 1918  |
| M11  | M-class Minesweeper  | Germany  | 1938  |
| M12  | M-class Minesweeper  | Germany  | 1938  |
| M13  | M-class Minesweeper  | Germany  | 1939  |
| M131  | M-class Minesweeper  | Germany  |   |
| M132  | M-class Minesweeper  | Germany  |   |
| M133  | M-class Minesweeper  | Germany  |   |
| M14  | M-class Minesweeper  | Germany  | 1939  |
| M15  | M-class Minesweeper  | Germany  | 1939  |
| M151  | M-class Minesweeper  | Germany  |   |
| M152  | M-class Minesweeper  | Germany  |   |
| M153  | M-class Minesweeper  | Germany  |   |
| M154  | M-class Minesweeper  | Germany  |   |
| M155  | M-class Minesweeper  | Germany  |   |
| M156  | M-class Minesweeper  | Germany  |   |
| M16  | M-class Minesweeper  | Germany  | 1939  |
| M17  | M-class Minesweeper  | Germany  | 1939  |
| M18  | M-class Minesweeper  | Germany  | 1939  |
| M19  | M-class Minesweeper  | Germany  | 1939  |
| M2 (Planned)  | M2-class Light Cruiser  | Germany  | 1947 (Projected, not actual)  |
| M2  | M-class Minesweeper  | Germany  | 1937  |
| M20  | M-class Minesweeper  | Germany  | 1939  |
| M201  | M-class Minesweeper  | Germany  | 1940  |
| M202  | M-class Minesweeper  | Germany  | 1940  |
| M203  | M-class Minesweeper  | Germany  | 1940  |
| M204  | M-class Minesweeper  | Germany  | 1940  |
| M205  | M-class Minesweeper  | Germany  | 1941  |
| M206  | M-class Minesweeper  | Germany  | 1941  |
| M21  | M-class Minesweeper  | Germany  | 1939  |
| M22  | M-class Minesweeper  | Germany  | 1940  |
| M23  | M-class Minesweeper  | Germany  | 1940  |
| M24  | M-class Minesweeper  | Germany  | 1940  |
| M25  | M-class Minesweeper  | Germany  | 1940  |
| M251  | M-class Minesweeper  | Germany  | 1940  |
| M252  | M-class Minesweeper  | Germany  | 1940  |
| M253  | M-class Minesweeper  | Germany  | 1940  |
| M254  | M-class Minesweeper  | Germany  | 1941  |
| M255  | M-class Minesweeper  | Germany  | 1941  |
| M256  | M-class Minesweeper  | Germany  | 1941  |
| M26  | M-class Minesweeper  | Germany  | 1940  |
| M261  | M-class Minesweeper  | Germany  | 1942  |
| M262  | M-class Minesweeper  | Germany  | 1942  |
| M263  | M-class Minesweeper  | Germany  | 1942  |
| M264  | M-class Minesweeper  | Germany  |   |
| M265  | M-class Minesweeper  | Germany  | 1943  |
| M266  | M-class Minesweeper  | Germany  | 1944  |
| M267  | M-class Minesweeper  | Germany  | 1944  |
| M27  | M-class Minesweeper  | Germany  | 1940  |
| M271  | M-class Minesweeper  | Germany  | 1942  |
| M272  | M-class Minesweeper  | Germany  | 1942  |
| M273  | M-class Minesweeper  | Germany  | 1942  |
| M274  | M-class Minesweeper  | Germany  | 1942  |
| M275  | M-class Minesweeper  | Germany  | 1943  |
| M276  | M-class Minesweeper  | Germany  | 1943  |
| M277  | M-class Minesweeper  | Germany  | 1943  |
| M278  | M-class Minesweeper  | Germany  | 1944  |
| M279  | M-class Minesweeper  | Germany  | 1944  |
| M28  | M-class Minesweeper  | Germany  | 1940  |
| M280  | M-class Minesweeper  | Germany  |   |
| M29  | M-class Minesweeper  | Germany  | 1940  |
| M291  | M-class Minesweeper  | Germany  |   |
| M292  | M-class Minesweeper  | Germany  |   |
| M293  | M-class Minesweeper  | Germany  |   |
| M294  | M-class Minesweeper  | Germany  |   |
| M295 (Planned)  | M-class Minesweeper  | Germany  |   |
| M296  | M-class Minesweeper  | Germany  |   |
| M297 (Planned)  | M-class Minesweeper  | Germany  |   |
| M3  | M-class Minesweeper  | Germany  | 1937  |
| M30  | M-class Minesweeper  | Germany  | 1940  |
| M301  | M-class Minesweeper  | Germany  |   |
| M302  | M-class Minesweeper  | Germany  |   |
| M303  | M-class Minesweeper  | Germany  |   |
| M304  | M-class Minesweeper  | Germany  |   |
| M305  | M-class Minesweeper  | Germany  |   |
| M306  | M-class Minesweeper  | Germany  |   |
| M307  | M-class Minesweeper  | Germany  |   |
| M31  | M-class Minesweeper  | Germany  | 1940  |
| M32  | M-class Minesweeper  | Germany  | 1940  |
| M321  | M-class Minesweeper  | Germany  | 1941  |
| M322  | M-class Minesweeper  | Germany  | 1941  |
| M323  | M-class Minesweeper  | Germany  | 1941  |
| M324  | M-class Minesweeper  | Germany  | 1941  |
| M325  | M-class Minesweeper  | Germany  | 1942  |
| M326  | M-class Minesweeper  | Germany  | 1943  |
| M327  | M-class Minesweeper  | Germany  | 1943  |
| M328  | M-class Minesweeper  | Germany  | 1943  |
| M329  | M-class Minesweeper  | Germany  |   |
| M33  | M-class Minesweeper  | Germany  | 1942  |
| M330  | M-class Minesweeper  | Germany  |   |
| M34  | M-class Minesweeper  | Germany  | 1942  |
| M341  | M-class Minesweeper  | Germany  | 1941  |
| M342  | M-class Minesweeper  | Germany  | 1941  |
| M343  | M-class Minesweeper  | Germany  | 1941  |
| M344  | M-class Minesweeper  | Germany  | 1941  |
| M345  | M-class Minesweeper  | Germany  | 1942  |
| M346  | M-class Minesweeper  | Germany  | 1942  |
| M347  | M-class Minesweeper  | Germany  | 1942  |
| M348  | M-class Minesweeper  | Germany  | 1942  |
| M35  | M-class Minesweeper  | Germany  | 1940  |
| M36  | M-class Minesweeper  | Germany  | 1940  |
| M361  | M-class Minesweeper  | Germany  |   |
| M362  | M-class Minesweeper  | Germany  |   |
| M363  | M-class Minesweeper  | Germany  |   |
| M364  | M-class Minesweeper  | Germany  |   |
| M365  | M-class Minesweeper  | Germany  |   |
| M366  | M-class Minesweeper  | Germany  |   |
| M367  | M-class Minesweeper  | Germany  |   |
| M368  | M-class Minesweeper  | Germany  |   |
| M369  | M-class Minesweeper  | Germany  |   |
| M37  | M-class Minesweeper  | Germany  | 1940  |
| M370  | M-class Minesweeper  | Germany  |   |
| M371  | M-class Minesweeper  | Germany  |   |
| M372  | M-class Minesweeper  | Germany  |   |
| M373  | M-class Minesweeper  | Germany  |   |
| M374  | M-class Minesweeper  | Germany  |   |
| M375  | M-class Minesweeper  | Germany  |   |
| M376  | M-class Minesweeper  | Germany  |   |
| M377  | M-class Minesweeper  | Germany  |   |
| M378 (Planned)  | M-class Minesweeper  | Germany  |   |
| M379 (Planned)  | M-class Minesweeper  | Germany  |   |
| M38  | M-class Minesweeper  | Germany  | 1941  |
| M380 (Planned)  | M-class Minesweeper  | Germany  |   |
| M381  | M-class Minesweeper  | Germany  |   |
| M382  | M-class Minesweeper  | Germany  |   |
| M383  | M-class Minesweeper  | Germany  |   |
| M384  | M-class Minesweeper  | Germany  |   |
| M385  | M-class Minesweeper  | Germany  |   |
| M386  | M-class Minesweeper  | Germany  |   |
| M387  | M-class Minesweeper  | Germany  |   |
| M388  | M-class Minesweeper  | Germany  |   |
| M389  | M-class Minesweeper  | Germany  |   |
| M39  | M-class Minesweeper  | Germany  | 1941  |
| M4  | M-class Minesweeper  | Germany  | 1937  |
| M401  | M-class Minesweeper  | Germany  |   |
| M402  | M-class Minesweeper  | Germany  |   |
| M403  | M-class Minesweeper  | Germany  |   |
| M404  | M-class Minesweeper  | Germany  |   |
| M405  | M-class Minesweeper  | Germany  |   |
| M406  | M-class Minesweeper  | Germany  |   |
| M407  | M-class Minesweeper  | Germany  |   |
| M408  | M-class Minesweeper  | Germany  |   |
| M409 (Planned)  | M-class Minesweeper  | Germany  |   |
| M410 (Planned)  | M-class Minesweeper  | Germany  |   |
| M411  | M-class Minesweeper  | Germany  |   |
| M412  | M-class Minesweeper  | Germany  |   |
| M413  | M-class Minesweeper  | Germany  |   |
| M414  | M-class Minesweeper  | Germany  |   |
| M415  | M-class Minesweeper  | Germany  |   |
| M416  | M-class Minesweeper  | Germany  |   |
| M417 (Planned)  | M-class Minesweeper  | Germany  |   |
| M418 (Planned)  | M-class Minesweeper  | Germany  |   |
| M419 (Planned)  | M-class Minesweeper  | Germany  |   |
| M420 (Planned)  | M-class Minesweeper  | Germany  |   |
| M421  | M-class Minesweeper  | Germany  |   |
| M422  | M-class Minesweeper  | Germany  |   |
| M423  | M-class Minesweeper  | Germany  |   |
| M424  | M-class Minesweeper  | Germany  |   |
| M425  | M-class Minesweeper  | Germany  |   |
| M426  | M-class Minesweeper  | Germany  |   |
| M427  | M-class Minesweeper  | Germany  |   |
| M428  | M-class Minesweeper  | Germany  |   |
| M429 (Planned)  | M-class Minesweeper  | Germany  |   |
| M430 (Planned)  | M-class Minesweeper  | Germany  |   |
| M431  | M-class Minesweeper  | Germany  |   |
| M432  | M-class Minesweeper  | Germany  |   |
| M433  | M-class Minesweeper  | Germany  |   |
| M434  | M-class Minesweeper  | Germany  |   |
| M435  | M-class Minesweeper  | Germany  |   |
| M436  | M-class Minesweeper  | Germany  |   |
| M437  | M-class Minesweeper  | Germany  |   |
| M438  | M-class Minesweeper  | Germany  |   |
| M439 (Planned)  | M-class Minesweeper  | Germany  |   |
| M440 (Planned)  | M-class Minesweeper  | Germany  |   |
| M441  | M-class Minesweeper  | Germany  |   |
| M442  | M-class Minesweeper  | Germany  |   |
| M443  | M-class Minesweeper  | Germany  |   |
| M444  | M-class Minesweeper  | Germany  |   |
| M445  | M-class Minesweeper  | Germany  |   |
| M446  | M-class Minesweeper  | Germany  |   |
| M447 (Planned)  | M-class Minesweeper  | Germany  |   |
| M448 (Planned)  | M-class Minesweeper  | Germany  |   |
| M449 (Planned)  | M-class Minesweeper  | Germany  |   |
| M450 (Planned)  | M-class Minesweeper  | Germany  |   |
| M451 (Planned)  | M-class Minesweeper  | Germany  |   |
| M452 (Planned)  | M-class Minesweeper  | Germany  |   |
| M453 (Planned)  | M-class Minesweeper  | Germany  |   |
| M454 (Planned)  | M-class Minesweeper  | Germany  |   |
| M455 (Planned)  | M-class Minesweeper  | Germany  |   |
| M456 (Planned)  | M-class Minesweeper  | Germany  |   |
| M457 (Planned)  | M-class Minesweeper  | Germany  |   |
| M458 (Planned)  | M-class Minesweeper  | Germany  |   |
| M459  | M-class Minesweeper  | Germany  |   |
| M460  | M-class Minesweeper  | Germany  |   |
| M461  | M-class Minesweeper  | Germany  |   |
| M462  | M-class Minesweeper  | Germany  |   |
| M463  | M-class Minesweeper  | Germany  |   |
| M464 (Planned)  | M-class Minesweeper  | Germany  |   |
| M465 (Planned)  | M-class Minesweeper  | Germany  |   |
| M466 (Planned)  | M-class Minesweeper  | Germany  |   |
| M467  | M-class Minesweeper  | Germany  |   |
| M468  | M-class Minesweeper  | Germany  |   |
| M469  | M-class Minesweeper  | Germany  |   |
| M470  | M-class Minesweeper  | Germany  |   |
| M471  | M-class Minesweeper  | Germany  |   |
| M472 (Planned)  | M-class Minesweeper  | Germany  |   |
| M473 (Planned)  | M-class Minesweeper  | Germany  |   |
| M474 (Planned)  | M-class Minesweeper  | Germany  |   |
| M475  | M-class Minesweeper  | Germany  |   |
| M476  | M-class Minesweeper  | Germany  |   |
| M477 (Planned)  | M-class Minesweeper  | Germany  |   |
| M478 (Planned)  | M-class Minesweeper  | Germany  |   |
| M479 (Planned)  | M-class Minesweeper  | Germany  |   |
| M480 (Planned)  | M-class Minesweeper  | Germany  |   |
| M481 (Planned)  | M-class Minesweeper  | Germany  |   |
| M482 (Planned)  | M-class Minesweeper  | Germany  |   |
| M483  | M-class Minesweeper  | Germany  |   |
| M484  | M-class Minesweeper  | Germany  |   |
| M485 (Planned)  | M-class Minesweeper  | Germany  |   |
| M486  | M-class Minesweeper  | Germany  |   |
| M487 (Planned)  | M-class Minesweeper  | Germany  |   |
| M488 (Planned)  | M-class Minesweeper  | Germany  |   |
| M489  | M-class Minesweeper  | Germany  |   |
| M490 (Planned)  | M-class Minesweeper  | Germany  |   |
| M491 (Planned)  | M-class Minesweeper  | Germany  |   |
| M492 (Planned)  | M-class Minesweeper  | Germany  |   |
| M493 (Planned)  | M-class Minesweeper  | Germany  |   |
| M494 (Planned)  | M-class Minesweeper  | Germany  |   |
| M495  | M-class Minesweeper  | Germany  |   |
| M496  | M-class Minesweeper  | Germany  |   |
| M5  | M-class Minesweeper  | Germany  | 1937  |
| M6  | M-class Minesweeper  | Germany  | 1938  |
| M601 (Planned)  | M-class Minesweeper  | Germany  |   |
| M602 (Planned)  | M-class Minesweeper  | Germany  |   |
| M603 (Planned)  | M-class Minesweeper  | Germany  |   |
| M604 (Planned)  | M-class Minesweeper  | Germany  |   |
| M605 (Planned)  | M-class Minesweeper  | Germany  |   |
| M606 (Planned)  | M-class Minesweeper  | Germany  |   |
| M607 (Planned)  | M-class Minesweeper  | Germany  |   |
| M608 (Planned)  | M-class Minesweeper  | Germany  |   |
| M609 (Planned)  | M-class Minesweeper  | Germany  |   |
| M610 (Planned)  | M-class Minesweeper  | Germany  |   |
| M611 (Planned)  | M-class Minesweeper  | Germany  |   |
| M612 (Planned)  | M-class Minesweeper  | Germany  |   |
| M613 (Planned)  | M-class Minesweeper  | Germany  |   |
| M614 (Planned)  | M-class Minesweeper  | Germany  |   |
| M615 (Planned)  | M-class Minesweeper  | Germany  |   |
| M616 (Planned)  | M-class Minesweeper  | Germany  |   |
| M617 (Planned)  | M-class Minesweeper  | Germany  |   |
| M618 (Planned)  | M-class Minesweeper  | Germany  |   |
| M619 (Planned)  | M-class Minesweeper  | Germany  |   |
| M620 (Planned)  | M-class Minesweeper  | Germany  |   |
| M621 (Planned)  | M-class Minesweeper  | Germany  |   |
| M622 (Planned)  | M-class Minesweeper  | Germany  |   |
| M623 (Planned)  | M-class Minesweeper  | Germany  |   |
| M624 (Planned)  | M-class Minesweeper  | Germany  |   |
| M625 (Planned)  | M-class Minesweeper  | Germany  |   |
| M626 (Planned)  | M-class Minesweeper  | Germany  |   |
| M627 (Planned)  | M-class Minesweeper  | Germany  |   |
| M628 (Planned)  | M-class Minesweeper  | Germany  |   |
| M629 (Planned)  | M-class Minesweeper  | Germany  |   |
| M630 (Planned)  | M-class Minesweeper  | Germany  |   |
| M631 (Planned)  | M-class Minesweeper  | Germany  |   |
| M632 (Planned)  | M-class Minesweeper  | Germany  |   |
| M633 (Planned)  | M-class Minesweeper  | Germany  |   |
| M7  | M-class Minesweeper  | Germany  | 1937  |
| M8  | M-class Minesweeper  | Germany  | 1937  |
| M801 (Planned)  | M-class Minesweeper  | Germany  |   |
| M802 (Planned)  | M-class Minesweeper  | Germany  |   |
| M803 (Planned)  | M-class Minesweeper  | Germany  |   |
| M804 (Planned)  | M-class Minesweeper  | Germany  |   |
| M805 (Planned)  | M-class Minesweeper  | Germany  |   |
| M806 (Planned)  | M-class Minesweeper  | Germany  |   |
| M807 (Planned)  | M-class Minesweeper  | Germany  |   |
| M808 (Planned)  | M-class Minesweeper  | Germany  |   |
| M809 (Planned)  | M-class Minesweeper  | Germany  |   |
| M81  | M-class Minesweeper  | Germany  | 1940  |
| M810 (Planned)  | M-class Minesweeper  | Germany  |   |
| M811 (Planned)  | M-class Minesweeper  | Germany  |   |
| M812 (Planned)  | M-class Minesweeper  | Germany  |   |
| M813 (Planned)  | M-class Minesweeper  | Germany  |   |
| M814 (Planned)  | M-class Minesweeper  | Germany  |   |
| M815 (Planned)  | M-class Minesweeper  | Germany  |   |
| M816 (Planned)  | M-class Minesweeper  | Germany  |   |
| M82  | M-class Minesweeper  | Germany  | 1941  |
| M83  | M-class Minesweeper  | Germany  | 1941  |
| M84  | M-class Minesweeper  | Germany  | 1941  |
| M85  | M-class Minesweeper  | Germany  | 1941  |
| M9  | M-class Minesweeper  | Germany  | 1937  |
| Macabi  | Balao-class Submarine  | United States  |   |
| Mackerel  | Mackerel-class Submarine  | United States  |   |
| Mahan  | Mahan-class Destroyer  | United States  | 1935  |
| Makin Island  | Casablanca-class Escort Carrier  | United States  | 1944  |
| Malaya  | Queen Elizabeth-class Battleship  | United Kingdom  | 1915  |
| Manila Bay  | Casablanca-class Escort Carrier  | United States  | 1943  |
| Manta  | Balao-class Submarine  | United States  | 1943  |
| Mapiro  | Balao-class Submarine  | United States  |   |
| Marblehead  | Omaha-class Light Cruiser  | United States  | 1923  |
| Marcus Island  | Casablanca-class Escort Carrier  | United States  | 1943  |
| Marlin  | Mackerel-class Submarine  | United States  | 1941  |
| Marseillaise  | La Galissonnière-class Light Cruiser  | France  | 1935  |
| Maryland  | Colorado-class Battleship  | United States  | 1920  |
| Mason  | Evarts-class Destroyer Escort  | United States  | 1943  |
| Massachusetts  | South Dakota-class Battleship  | United States  | 1941  |
| Matsu  | Matsu-class Destroyer  | Japan  | 1944  |
| Mauritius  | Crown Colony-class Light Cruiser  | United Kingdom  | 1939  |
| Maury  | Gridley-class Destroyer  | United States  | 1938  |
| Maxim Gorkiy  | Kirov-class Light Cruiser  | Russia  | 1938  |
| Maya  | Takao-class Heavy Cruiser  | Japan  | 1930  |
| McCall  | Gridley-class Destroyer  | United States  | 1937  |
| McDougal  | Porter-class Destroyer  | United States  |   |
| McFarland  | Clemson-class Destroyer  | United States  | 1920  |
| Memphis  | Omaha-class Light Cruiser  | United States  | 1924  |
| Menhaden  | Balao-class Submarine  | United States  | 1944  |
| Mero  | Balao-class Submarine  | United States  | 1945  |
| Miami  | Cleveland-class Light Cruiser  | United States  | 1942  |
| Michel  | No Classification  | Germany  | 1939  |
| Michishio  | Asashio-class Destroyer  | Japan  | 1937  |
| Mikuma  | Mogami-class Heavy Cruiser  | Japan  | 1934  |
| Milfoil  | Flower-class Corvette  | United Kingdom  | 1942  |
| Milwaukee  | Omaha-class Light Cruiser  | United States  | 1921  |
| Minegumo  | Asashio-class Destroyer  | Japan  | 1938  |
| Mingo  | Gato-class Submarine  | United States  | 1942  |
| Minneapolis  | New Orleans-class Heavy Cruiser  | United States  | 1933  |
| Minquan  | No Classification  | China  | 1929  |
| Mircea  | Gorch Fock-class Barque  | Germany  | 1938  |
| Mississippi  | New Mexico-class Battleship  | United States  | 1917  |
| Missouri  | Iowa-class Battleship  | United States  | 1944  |
| Mitragliero  | Soldati-class Destroyer  | Italy  |   |
| Mogami  | Mogami-class Heavy Cruiser  | Japan  | 1934  |
| Molotov  | Kirov-class Light Cruiser  | Russia  | 1939  |
| Monaghan  | Farragut-class Destroyer  | United States  | 1935  |
| Montcalm  | La Galissonnière-class Light Cruiser  | France  | 1935  |
| Monterey  | Independence-class Light Carrier  | United States  | 1943  |
| Montevideo Maru  | No Classification  | Japan  |   |
| Montpelier  | Cleveland-class Light Cruiser  | United States  | 1942  |
| Moray  | Balao-class Submarine  | United States  |   |
| MT-class Summary Information  | MT-class Motor Torpedo Boat  | Italy  |   |
| Mugford  | Bagley-class Destroyer  | United States  | 1936  |
| Murasame  | Shiratsuyu-class Destroyer  | Japan  | 1937  |
| Musashi  | Yamato-class Battleship  | Japan  | 1940  |
| Muskallunge  | Gato-class Submarine  | United States  |   |
| Mutsu  | Nagato-class Battleship  | Japan  | 1920  |
| Mutsuki  | Mutsuki-class Destroyer  | Japan  | 1926  |
| Myoko  | Myoko-class Heavy Cruiser  | Japan  | 1927  |
| Möwe  | 1923-class Motor Torpedo Boat  | Germany  | 1926  |
| N (Planned)  | M-class Light Cruiser  | Germany  | 1945 (Projected, not actual)  |
| N (Planned)  | H-class Battleship  | Germany  | 1943 (Projected, not actual)  |
| N  | No Classification  | Germany  |   |
| N (Planned)  | M-class Light Cruiser  | Germany  | 1942 (Projected, not actual)  |
| N2 (Planned)  | M2-class Light Cruiser  | Germany  | 1947 (Projected, not actual)  |
| Nachi  | Myoko-class Heavy Cruiser  | Japan  | 1927  |
| Nagara  | Nagara-class Light Cruiser  | Japan  | 1922  |
| Nagato  | Nagato-class Battleship  | Japan  | 1919  |
| Nagatsuki  | Mutsuki-class Destroyer  | Japan  | 1927  |
| Naka  | Sendai-class Light Cruiser  | Japan  | 1925  |
| Narwhal  | Narwhal-class Submarine  | United States  |   |
| Nashville  | Brooklyn-class Light Cruiser  | United States  | 1937  |
| Natoma Bay  | Casablanca-class Escort Carrier  | United States  | 1943  |
| Natori  | Nagara-class Light Cruiser  | Japan  | 1922  |
| Nautilus  | Narwhal-class Submarine  | United States  | 1930  |
| Nehenta Bay  | Casablanca-class Escort Carrier  | United States  |   |
| Nelson  | Nelson-class Battleship  | United Kingdom  | 1925  |
| Neptune  | Leander-class Light Cruiser  | United Kingdom  | 1933  |
| Nevada  | Nevada-class Battleship  | United States  | 1914  |
| New Jersey  | Iowa-class Battleship  | United States  | 1942  |
| New Mexico  | New Mexico-class Battleship  | United States  | 1917  |
| New Orleans  | New Orleans-class Heavy Cruiser  | United States  | 1933  |
| New York  | New York-class Battleship  | United States  | 1912  |
| Newcastle  | Town-class Light Cruiser  | United Kingdom  | 1936  |
| Ninghai  | Ninghai-class Light Cruiser  | China  | 1931  |
| Nisshin  | Nisshin-class Seaplane Carrier  | Japan  | 1939  |
| No. 101/103-class Summary Information  | No. 101/103-class Landing Ship  | Japan  |   |
| North Carolina  | North Carolina-class Battleship  | United States  | 1940  |
| Northampton  | Northampton-class Heavy Cruiser  | United States  | 1929  |
| Noshiro  | Agano-class Light Cruiser  | Japan  | 1942  |
| Nymphe  | No Classification  | Germany  |   |
| Nürnberg  | Leipzig-class Light Cruiser  | Germany  | 1934  |
| O (Planned)  | O-class Battlecruiser  | Germany  | 1941 (Projected, not actual)  |
| O (Planned)  | M-class Light Cruiser  | Germany  | 1943 (Projected, not actual)  |
| O (Planned)  | M-class Light Cruiser  | Germany  | 1945 (Projected, not actual)  |
| O'Brien  | Sims-class Destroyer  | United States  | 1939  |
| O2 (Planned)  | M2-class Light Cruiser  | Germany  | 1947 (Projected, not actual)  |
| Oberon  | O-class Submarine  | United Kingdom  | 1926  |
| Oi  | Kuma-class Light Cruiser  | Japan  | 1920  |
| Oklahoma  | Nevada-class Battleship  | United States  |   |
| Ommaney Bay  | Casablanca-class Escort Carrier  | United States  | 1943  |
| Onami  | Yugumo-class Destroyer  | Japan  |   |
| Oregon  | Indiana-class Battleship  | United States  | 1893  |
| Orion  | No Classification  | Germany  | 1930  |
| Orzel  | Orzel-class Submarine  | Poland  | 1938  |
| Oshio  | Asashio-class Destroyer  | Japan  |   |
| Ostmark  | No Classification  | Germany  | 1936  |
| Otto Wünsche  | Otto Wünsche-class Submarine Tender  | Germany  | 1940  |
| Oyodo  | Oyodo-class Light Cruiser  | Japan  | 1942  |
| P (Planned)  | M-class Light Cruiser  | Germany  | 1945 (Projected, not actual)  |
| P (Planned)  | O-class Battlecruiser  | Germany  | 1941 (Projected, not actual)  |
| P (Planned)  | M-class Light Cruiser  | Germany  | 1943 (Projected, not actual)  |
| P1 (Planned)  | P-class Heavy Cruiser  | Germany  | 1943 (Projected, not actual)  |
| P10 (Planned)  | P-class Heavy Cruiser  | Germany  | 1944 (Projected, not actual)  |
| P11 (Planned)  | P-class Heavy Cruiser  | Germany  | 1944 (Projected, not actual)  |
| P12 (Planned)  | P-class Heavy Cruiser  | Germany  | 1945 (Projected, not actual)  |
| P2 (Planned)  | P-class Heavy Cruiser  | Germany  | 1942 (Projected, not actual)  |
| P2 (Planned)  | M2-class Light Cruiser  | Germany  | 1947 (Projected, not actual)  |
| P3 (Planned)  | P-class Heavy Cruiser  | Germany  | 1944 (Projected, not actual)  |
| P4 (Planned)  | P-class Heavy Cruiser  | Germany  | 1942 (Projected, not actual)  |
| P5 (Planned)  | P-class Heavy Cruiser  | Germany  | 1943 (Projected, not actual)  |
| P6 (Planned)  | P-class Heavy Cruiser  | Germany  | 1945 (Projected, not actual)  |
| P7 (Planned)  | P-class Heavy Cruiser  | Germany  | 1945 (Projected, not actual)  |
| P8 (Planned)  | P-class Heavy Cruiser  | Germany  | 1945 (Projected, not actual)  |
| P9 (Planned)  | P-class Heavy Cruiser  | Germany  | 1944 (Projected, not actual)  |
| Paddle  | Gato-class Submarine  | United States  |   |
| Pampanito  | Balao-class Submarine  | United States  |   |
| Panay  | No Classification  | United States  |   |
| Papanikolis  | Katsonis-class Submarine  | Greece  |   |
| Parche  | Balao-class Submarine  | United States  | 1943  |
| Pargo  | Gato-class Submarine  | United States  |   |
| Parizhskava Kommuna  | Gangut-class Battleship  | Russia  | 1911  |
| Pasadena  | Cleveland-class Light Cruiser  | United States  | 1943  |
| Pennsylvania  | Pennsylvania-class Battleship  | United States  | 1915  |
| Pensacola  | Pensacola-class Heavy Cruiser  | United States  | 1929  |
| Perch (Balao-class)  | Balao-class Submarine  | United States  |   |
| Perch (Porpoise-class)  | Porpoise-class Submarine  | United States  | 1936  |
| Permit  | Porpoise-class Submarine  | United States  | 1936  |
| Perth  | Leander-class Light Cruiser  | Australia  | 1934  |
| Peto  | Gato-class Submarine  | United States  |   |
| Petrof Bay  | Casablanca-class Escort Carrier  | United States  | 1944  |
| Philip  | Fletcher-class Destroyer  | United States  | 1942  |
| Phoenix  | Brooklyn-class Light Cruiser  | United States  | 1938  |
| Pickerel  | Porpoise-class Submarine  | United States  | 1936  |
| Picking  | Fletcher-class Destroyer  | United States  | 1943  |
| Picuda  | Balao-class Submarine  | United States  |   |
| Pike  | Porpoise-class Submarine  | United States  |   |
| Pilotfish  | Balao-class Submarine  | United States  |   |
| Pinghai  | Ninghai-class Light Cruiser  | China  | 1935  |
| Pinguin  | No Classification  | Germany  | 1936  |
| Pintado  | Balao-class Submarine  | United States  | 1943  |
| Pipefish  | Balao-class Submarine  | United States  |   |
| Piper  | Balao-class Submarine  | United States  |   |
| Piranha  | Balao-class Submarine  | United States  | 1943  |
| Plaice  | Balao-class Submarine  | United States  | 1943  |
| Plunger  | Porpoise-class Submarine  | United States  |   |
| Pogy  | Gato-class Submarine  | United States  | 1942  |
| Pola  | Zara-class Heavy Cruiser  | Italy  |   |
| Pollack  | Porpoise-class Submarine  | United States  | 1936  |
| Pomfret  | Balao-class Submarine  | United States  |   |
| Pomodon  | Tench-class Submarine  | United States  |   |
| Pompano  | Porpoise-class Submarine  | United States  |   |
| Pompon  | Gato-class Submarine  | United States  | 1942  |
| Porpoise  | Porpoise-class Submarine  | United States  |   |
| Porter  | Porter-class Destroyer  | United States  | 1935  |
| Portland  | Portland-class Heavy Cruiser  | United States  | 1932  |
| Preston (Fletcher-class)  | Fletcher-class Destroyer  | United States  | 1943  |
| Preston (Mahan-class)  | Mahan-class Destroyer  | United States  | 1936  |
| Prichett  | Fletcher-class Destroyer  | United States  | 1943  |
| Primauguet  | Duguay-Trouin-class Light Cruiser  | France  | 1924  |
| Prince of Wales  | King George V (1939)-class Battleship  | United Kingdom  |   |
| Princeton  | Independence-class Light Carrier  | United States  | 1942  |
| Pringle  | Fletcher-class Destroyer  | United States  | 1942  |
| Prinz Eugen  | Admiral Hipper-class Heavy Cruiser  | Germany  | 1938  |
| Proteus  | Fulton-class Submarine Tender  | United States  | 1942  |
| Provence  | Bretagne-class Battleship  | France  | 1913  |
| PT-class Summary Information  | PT-class Motor Torpedo Boat  | United States  |   |
| Puffer  | Gato-class Submarine  | United States  | 1942  |
| Q (Planned)  | M-class Light Cruiser  | Germany  | 1943 (Projected, not actual)  |
| Q (Planned)  | M-class Light Cruiser  | Germany  | 1945 (Projected, not actual)  |
| Q (Planned)  | O-class Battlecruiser  | Germany  | 1942 (Projected, not actual)  |
| Q2 (Planned)  | M2-class Light Cruiser  | Germany  | 1947 (Projected, not actual)  |
| Queen Elizabeth  | No Classification  | United Kingdom  | 1938  |
| Queen Elizabeth  | Queen Elizabeth-class Battleship  | United Kingdom  | 1913  |
| Queen Mary  | No Classification  | United Kingdom  | 1934  |
| Queenfish  | Balao-class Submarine  | United States  |   |
| Quillback  | Tench-class Submarine  | United States  |   |
| Quincy (Baltimore-class)  | Baltimore-class Heavy Cruiser  | United States  |   |
| Quincy (New Orleans-class)  | New Orleans-class Heavy Cruiser  | United States  | 1935  |
| R (Planned)  | M-class Light Cruiser  | Germany  | 1943 (Projected, not actual)  |
| R (Planned)  | M-class Light Cruiser  | Germany  | 1945 (Projected, not actual)  |
| R-1  | R-class Submarine  | United States  | 1918  |
| R-14  | R-class Submarine  | United States  |   |
| R-5  | R-class Submarine  | United States  | 1918  |
| R-7  | R-class Submarine  | United States  |   |
| R2 (Planned)  | M2-class Light Cruiser  | Germany  | 1947 (Projected, not actual)  |
| Raleigh  | Omaha-class Light Cruiser  | United States  |   |
| Rall  | Evarts-class Destroyer Escort  | United States  | 1943  |
| Ralph Talbot  | Bagley-class Destroyer  | United States  | 1936  |
| Randolph  | Essex-class Aircraft Carrier  | United States  | 1944  |
| Ranger  | Ranger-class Aircraft Carrier  | United States  |   |
| Rasher  | Gato-class Submarine  | United States  |   |
| Raton  | Gato-class Submarine  | United States  |   |
| Rawalpindi  | R-class Merchant Vessel  | United Kingdom  | 1925  |
| Ray  | Gato-class Submarine  | United States  | 1943  |
| Razorback  | Balao-class Submarine  | United States  |   |
| Redfin  | Gato-class Submarine  | United States  |   |
| Redfish  | Balao-class Submarine  | United States  |   |
| Renown  | Renown-class Battlecruiser  | United Kingdom  |   |
| Renraku-tei-class Summary Information  | Renraku-tei-class Motor Torpedo Boat  | Japan  |   |
| Renshaw  | Fletcher-class Destroyer  | United States  | 1942  |
| Repulse  | Renown-class Battlecruiser  | United Kingdom  |   |
| Resolution  | Revenge-class Battleship  | United Kingdom  |   |
| Reuben James  | Clemson-class Destroyer  | United States  | 1919  |
| Richelieu  | Richelieu-class Battleship  | France  | 1939  |
| Richthofen  | Hans Albrecht Wedel-class Seaplane Tender  | Germany  | 1942  |
| Ro-58  | Type L3-class Submarine  | Japan  | 1922  |
| Robalo  | Gato-class Submarine  | United States  |   |
| Rock  | Gato-class Submarine  | United States  | 1943  |
| Rodney  | Nelson-class Battleship  | United Kingdom  | 1925  |
| Roma  | Vittorio Veneto-class Battleship  | Italy  | 1940  |
| Roncador  | Balao-class Submarine  | United States  |   |
| Ronquil  | Balao-class Submarine  | United States  |   |
| Royal Sovereign  | Revenge-class Battleship  | United Kingdom  | 1915  |
| Runner (Gato-class)  | Gato-class Submarine  | United States  | 1942  |
| Runner (Tench-class)  | Tench-class Submarine  | United States  |   |
| Ryuho  | Ryuho-class Aircraft Carrier  | Japan  | 1933  |
| Ryujo  | Ryujo-class Aircraft Carrier  | Japan  | 1931  |
| S-18  | S-class Submarine  | United States  | 1920  |
| S-23  | S-class Submarine  | United States  | 1920  |
| S-26  | S-class Submarine  | United States  |   |
| S-27  | S-class Submarine  | United States  |   |
| S-28  | S-class Submarine  | United States  | 1922  |
| S-30  | S-class Submarine  | United States  | 1918  |
| S-31  | S-class Submarine  | United States  | 1918  |
| S-32  | S-class Submarine  | United States  | 1919  |
| S-33  | S-class Submarine  | United States  | 1918  |
| S-34  | S-class Submarine  | United States  | 1919  |
| S-35  | S-class Submarine  | United States  | 1919  |
| S-36  | S-class Submarine  | United States  |   |
| S-37  | S-class Submarine  | United States  | 1919  |
| S-38  | S-class Submarine  | United States  |   |
| S-39  | S-class Submarine  | United States  |   |
| S-40  | S-class Submarine  | United States  | 1921  |
| S-41  | S-class Submarine  | United States  |   |
| S-42  | S-class Submarine  | United States  |   |
| S-43  | S-class Submarine  | United States  |   |
| S-44  | S-class Submarine  | United States  | 1923  |
| S-45  | S-class Submarine  | United States  | 1923  |
| S-46  | S-class Submarine  | United States  | 1923  |
| S-47  | S-class Submarine  | United States  |   |
| S-7  | Srednyaya-class Submarine  | Russia  | 1937  |
| Saar  | Saar-class Submarine Tender  | Germany  | 1934  |
| Sable  | No Classification  | United States  | 1923  |
| Saginaw Bay  | Casablanca-class Escort Carrier  | United States  |   |
| Sailfish  | Sargo-class Submarine  | United States  |   |
| Saint Paul  | Baltimore-class Heavy Cruiser  | United States  | 1944  |
| Sakawa  | Agano-class Light Cruiser  | Japan  | 1944  |
| Salmon  | Salmon-class Submarine  | United States  | 1937  |
| Salt Lake City  | Pensacola-class Heavy Cruiser  | United States  | 1929  |
| San Diego  | Atlanta-class Light Cruiser  | United States  | 1941  |
| San Francisco  | New Orleans-class Heavy Cruiser  | United States  |   |
| San Jacinto  | Independence-class Light Carrier  | United States  | 1943  |
| San Juan  | Atlanta-class Light Cruiser  | United States  | 1941  |
| Sanborn  | Haskell-class Attack Transport  | United States  | 1944  |
| Sand Lance  | Balao-class Submarine  | United States  |   |
| Saratoga  | Lexington-class Aircraft Carrier  | United States  | 1925  |
| Sargent Bay  | Casablanca-class Escort Carrier  | United States  | 1944  |
| Sargo  | Sargo-class Submarine  | United States  | 1938  |
| Saufley  | Fletcher-class Destroyer  | United States  | 1942  |
| Saury  | Sargo-class Submarine  | United States  |   |
| Savo Island  | Casablanca-class Escort Carrier  | United States  | 1943  |
| Sawfish  | Gato-class Submarine  | United States  | 1942  |
| Scabbardfish  | Balao-class Submarine  | United States  |   |
| Scamp  | Gato-class Submarine  | United States  |   |
| Scharnhorst  | Gneisenau-class Battlecruiser  | Germany  | 1936  |
| Schlesien  | Deutschland-class Battleship  | Germany  | 1906  |
| Schleswig-Holstein  | Deutschland-class Battleship  | Germany  | 1906  |
| Schnellboot-class Summary Information  | Schnellboot-class Motor Torpedo Boat  | Germany  |   |
| Schwabenland  | No Classification  | Germany  | 1925  |
| Scirè  | Adua-class Submarine  | Italy  | 1938  |
| Scorpion  | Gato-class Submarine  | United States  | 1942  |
| Sculpin  | Sargo-class Submarine  | United States  |   |
| Sea Cat  | Balao-class Submarine  | United States  | 1944  |
| Sea Devil  | Balao-class Submarine  | United States  |   |
| Sea Dog  | Balao-class Submarine  | United States  |   |
| Sea Fox  | Balao-class Submarine  | United States  |   |
| Sea Owl  | Balao-class Submarine  | United States  |   |
| Sea Poacher  | Balao-class Submarine  | United States  |   |
| Sea Robin  | Balao-class Submarine  | United States  | 1944  |
| Seadragon  | Sargo-class Submarine  | United States  |   |
| Seahorse  | Balao-class Submarine  | United States  | 1943  |
| Seal  | Salmon-class Submarine  | United States  | 1937  |
| Sealion (Balao-class)  | Balao-class Submarine  | United States  |   |
| Sealion (Sargo-class)  | Sargo-class Submarine  | United States  | 1939  |
| Searaven  | Sargo-class Submarine  | United States  | 1939  |
| Seawolf  | Sargo-class Submarine  | United States  |   |
| Seeadler  | 1923-class Motor Torpedo Boat  | Germany  | 1926  |
| Segundo  | Balao-class Submarine  | United States  | 1944  |
| Seisho Maru  | No Classification  | Japan  | 1918  |
| Sendai  | Sendai-class Light Cruiser  | Japan  | 1923  |
| Sennet  | Balao-class Submarine  | United States  | 1944  |
| Settsu  | Kawachi-class Battleship  | Japan  | 1911  |
| Seydlitz  | Admiral Hipper-class Heavy Cruiser  | Germany  | 1939  |
| Shad  | Gato-class Submarine  | United States  | 1942  |
| Shamrock Bay  | Casablanca-class Escort Carrier  | United States  | 1944  |
| Shark (Balao-class)  | Balao-class Submarine  | United States  | 1943  |
| Shark (Porpoise-class)  | Porpoise-class Submarine  | United States  | 1935  |
| Shaw  | Mahan-class Destroyer  | United States  | 1935  |
| ShCh-205  | Shchuka-class Submarine  | Russia  | 1934  |
| ShCh-307  | Shchuka-class Submarine  | Russia  | 1934  |
| ShCh-317  | Shchuka-class Submarine  | Russia  | 1935  |
| ShCh-320  | Shchuka-class Submarine  | Russia  | 1935  |
| ShCh-324  | Shchuka-class Submarine  | Russia  | 1935  |
| ShCh-401  | Shchuka-class Submarine  | Russia  | 1935  |
| Shigure  | Shiratsuyu-class Destroyer  | Japan  | 1936  |
| Shimakaze  | Shimakaze-class Destroyer  | Japan  | 1942  |
| Shinano  | Shinano-class Aircraft Carrier  | Japan  | 1944  |
| Shinyo  | Shinyo-class Escort Carrier  | Japan  |   |
| Shinyo Maru  | No Classification  | Japan  |   |
| Shinyo-class Summary Information  | Shinyo-class Motor Torpedo Boat  | Japan  |   |
| Shoho  | Zuiho-class Light Carrier  | Japan  | 1935  |
| Shokaku  | Shokaku-class Aircraft Carrier  | Japan  | 1939  |
| Silversides  | Gato-class Submarine  | United States  |   |
| Sims  | Sims-class Destroyer  | United States  | 1939  |
| Skate  | Balao-class Submarine  | United States  |   |
| Skipjack  | Salmon-class Submarine  | United States  | 1937  |
| Smalley  | Fletcher-class Destroyer  | United States  | 1943  |
| Snapper  | Salmon-class Submarine  | United States  |   |
| Snook  | Gato-class Submarine  | United States  | 1942  |
| Sokrushitelnyi  | Gnevny-class Destroyer  | Russia  | 1936  |
| Soryu  | Soryu-class Aircraft Carrier  | Japan  | 1935  |
| South Dakota  | South Dakota-class Battleship  | United States  | 1941  |
| Soya  | No Classification  | Japan  | 1937  |
| SP1  | Spähkreuzer 1938-class Scout Cruiser  | Germany  |   |
| SP10 (Planned)  | Spähkreuzer 1938-class Scout Cruiser  | Germany  | 1944 (Projected, not actual)  |
| SP11 (Planned)  | Spähkreuzer 1938-class Scout Cruiser  | Germany  | 1944 (Projected, not actual)  |
| SP12 (Planned)  | Spähkreuzer 1938-class Scout Cruiser  | Germany  | 1944 (Projected, not actual)  |
| SP13 (Planned)  | Spähkreuzer 1938-class Scout Cruiser  | Germany  | 1945 (Projected, not actual)  |
| SP14 (Planned)  | Spähkreuzer 1938-class Scout Cruiser  | Germany  | 1945 (Projected, not actual)  |
| SP15 (Planned)  | Spähkreuzer 1938-class Scout Cruiser  | Germany  | 1945 (Projected, not actual)  |
| SP16 (Planned)  | Spähkreuzer 1938-class Scout Cruiser  | Germany  | 1946 (Projected, not actual)  |
| SP17 (Planned)  | Spähkreuzer 1938-class Scout Cruiser  | Germany  | 1946 (Projected, not actual)  |
| SP18 (Planned)  | Spähkreuzer 1938-class Scout Cruiser  | Germany  | 1946 (Projected, not actual)  |
| SP19 (Planned)  | Spähkreuzer 1938-class Scout Cruiser  | Germany  | 1946 (Projected, not actual)  |
| SP2 (Planned)  | Spähkreuzer 1938-class Scout Cruiser  | Germany  | 1942 (Projected, not actual)  |
| SP20 (Planned)  | Spähkreuzer 1938-class Scout Cruiser  | Germany  | 1946 (Projected, not actual)  |
| SP21 (Planned)  | Spähkreuzer 1938-class Scout Cruiser  | Germany  | 1946 (Projected, not actual)  |
| SP22 (Planned)  | Spähkreuzer 1938-class Scout Cruiser  | Germany  | 1946 (Projected, not actual)  |
| SP3 (Planned)  | Spähkreuzer 1938-class Scout Cruiser  | Germany  | 1944 (Projected, not actual)  |
| SP4 (Planned)  | Spähkreuzer 1938-class Scout Cruiser  | Germany  | 1943 (Projected, not actual)  |
| SP5 (Planned)  | Spähkreuzer 1938-class Scout Cruiser  | Germany  | 1943 (Projected, not actual)  |
| SP6 (Planned)  | Spähkreuzer 1938-class Scout Cruiser  | Germany  | 1943 (Projected, not actual)  |
| SP7 (Planned)  | Spähkreuzer 1938-class Scout Cruiser  | Germany  | 1943 (Projected, not actual)  |
| SP8 (Planned)  | Spähkreuzer 1938-class Scout Cruiser  | Germany  | 1944 (Projected, not actual)  |
| SP9 (Planned)  | Spähkreuzer 1938-class Scout Cruiser  | Germany  | 1943 (Projected, not actual)  |
| Spadefish  | Balao-class Submarine  | United States  |   |
| Spearfish  | Sargo-class Submarine  | United States  |   |
| Spencer  | Treasury-class USCG Cutter  | United States  | 1937  |
| Spikefish  | Balao-class Submarine  | United States  |   |
| Spot  | Balao-class Submarine  | United States  | 1944  |
| Springer  | Balao-class Submarine  | United States  | 1944  |
| Sproston  | Fletcher-class Destroyer  | United States  | 1942  |
| St. Louis  | St. Louis-class Light Cruiser  | United States  | 1938  |
| Steamer Bay  | Casablanca-class Escort Carrier  | United States  | 1944  |
| Steelhead  | Gato-class Submarine  | United States  |   |
| Stephen Hopkins  | Liberty-class Merchant Vessel  | United States  | 1942  |
| Sterlet  | Balao-class Submarine  | United States  | 1943  |
| Stickleback  | Balao-class Submarine  | United States  |   |
| Stier  | No Classification  | Germany  | 1936  |
| Stingray  | Salmon-class Submarine  | United States  |   |
| Stord  | S-class Destroyer  | Norway  | 1943  |
| Strasbourg  | Dunkerque-class Battleship  | France  | 1936  |
| Stuart  | Scott-class Destroyer  | Australia  | 1918  |
| Sturgeon  | Salmon-class Submarine  | United States  |   |
| Suffren  | Suffren-class Heavy Cruiser  | France  | 1927  |
| Sunfish (Gato-class)  | Gato-class Submarine  | United States  | 1942  |
| Sunfish (S-class)  | S-class Submarine  | United Kingdom  | 1936  |
| Suzukaze  | Shiratsuyu-class Destroyer  | Japan  |   |
| Suzuya  | Mogami-class Heavy Cruiser  | Japan  | 1934  |
| Swordfish  | Sargo-class Submarine  | United States  |   |
| Sydney  | Leander-class Light Cruiser  | Australia  | 1934  |
| T1  | 1935-class Motor Torpedo Boat  | Germany  | 1938  |
| T10  | 1935-class Motor Torpedo Boat  | Germany  | 1939  |
| T11  | 1935-class Motor Torpedo Boat  | Germany  | 1939  |
| T12  | 1935-class Motor Torpedo Boat  | Germany  | 1939  |
| T13  | 1937-class Motor Torpedo Boat  | Germany  | 1939  |
| T14  | 1937-class Motor Torpedo Boat  | Germany  | 1939  |
| T15  | 1937-class Motor Torpedo Boat  | Germany  | 1939  |
| T16  | 1937-class Motor Torpedo Boat  | Germany  | 1939  |
| T17  | 1937-class Motor Torpedo Boat  | Germany  | 1940  |
| T18  | 1937-class Motor Torpedo Boat  | Germany  | 1940  |
| T19  | 1937-class Motor Torpedo Boat  | Germany  | 1940  |
| T2  | 1935-class Motor Torpedo Boat  | Germany  | 1938  |
| T20  | 1937-class Motor Torpedo Boat  | Germany  | 1940  |
| T21  | 1937-class Motor Torpedo Boat  | Germany  | 1940  |
| T22  | 1939-class Motor Torpedo Boat  | Germany  |   |
| T23  | 1939-class Motor Torpedo Boat  | Germany  | 1941  |
| T24  | 1939-class Motor Torpedo Boat  | Germany  | 1941  |
| T25  | 1939-class Motor Torpedo Boat  | Germany  | 1941  |
| T26  | 1939-class Motor Torpedo Boat  | Germany  | 1942  |
| T27  | 1939-class Motor Torpedo Boat  | Germany  | 1942  |
| T28  | 1939-class Motor Torpedo Boat  | Germany  | 1942  |
| T29  | 1939-class Motor Torpedo Boat  | Germany  | 1943  |
| T3  | 1935-class Motor Torpedo Boat  | Germany  | 1938  |
| T30  | 1939-class Motor Torpedo Boat  | Germany  | 1943  |
| T31  | 1939-class Motor Torpedo Boat  | Germany  | 1943  |
| T32  | 1939-class Motor Torpedo Boat  | Germany  | 1943  |
| T33  | 1939-class Motor Torpedo Boat  | Germany  | 1943  |
| T34  | 1939-class Motor Torpedo Boat  | Germany  | 1943  |
| T35  | 1939-class Motor Torpedo Boat  | Germany  | 1943  |
| T36  | 1939-class Motor Torpedo Boat  | Germany  | 1944  |
| T37  | 1941-class Motor Torpedo Boat  | Germany  | 1944  |
| T38  | 1941-class Motor Torpedo Boat  | Germany  | 1944  |
| T39  | 1941-class Motor Torpedo Boat  | Germany  | 1944  |
| T4  | 1935-class Motor Torpedo Boat  | Germany  | 1938  |
| T40  | 1941-class Motor Torpedo Boat  | Germany  | 1944  |
| T41  | 1941-class Motor Torpedo Boat  | Germany  | 1944  |
| T42  | 1941-class Motor Torpedo Boat  | Germany  | 1944  |
| T43  | 1941-class Motor Torpedo Boat  | Germany  | 1944  |
| T44  | 1941-class Motor Torpedo Boat  | Germany  | 1944  |
| T45  | 1941-class Motor Torpedo Boat  | Germany  | 1944  |
| T46  | 1941-class Motor Torpedo Boat  | Germany  |   |
| T47  | 1941-class Motor Torpedo Boat  | Germany  |   |
| T48  | 1941-class Motor Torpedo Boat  | Germany  |   |
| T5  | 1935-class Motor Torpedo Boat  | Germany  | 1937  |
| T50  | 1941-class Motor Torpedo Boat  | Germany  |   |
| T51  | 1941-class Motor Torpedo Boat  | Germany  |   |
| T52 (Planned)  | 1944-class Motor Torpedo Boat  | Germany  |   |
| T53 (Planned)  | 1944-class Motor Torpedo Boat  | Germany  |   |
| T54 (Planned)  | 1944-class Motor Torpedo Boat  | Germany  |   |
| T55 (Planned)  | 1944-class Motor Torpedo Boat  | Germany  |   |
| T56 (Planned)  | 1944-class Motor Torpedo Boat  | Germany  |   |
| T57 (Planned)  | 1944-class Motor Torpedo Boat  | Germany  |   |
| T58 (Planned)  | 1944-class Motor Torpedo Boat  | Germany  |   |
| T59 (Planned)  | 1944-class Motor Torpedo Boat  | Germany  |   |
| T6  | 1935-class Motor Torpedo Boat  | Germany  | 1937  |
| T60 (Planned)  | 1944-class Motor Torpedo Boat  | Germany  |   |
| T7  | 1935-class Motor Torpedo Boat  | Germany  | 1938  |
| T8  | 1935-class Motor Torpedo Boat  | Germany  | 1938  |
| T9  | 1935-class Motor Torpedo Boat  | Germany  | 1938  |
| Taiho  | Taiho-class Aircraft Carrier  | Japan  | 1943  |
| Taiyo  | Taiyo-class Escort Carrier  | Japan  | 1940  |
| Takao  | Takao-class Heavy Cruiser  | Japan  | 1930  |
| Takasago Maru  | No Classification  | Japan  |   |
| Tama  | Kuma-class Light Cruiser  | Japan  | 1920  |
| Tambor  | Tambor-class Submarine  | United States  |   |
| Tang  | Balao-class Submarine  | United States  | 1943  |
| Tanga  | Tanga-class Tender  | Germany  | 1937  |
| Tanikaze  | Kagero-class Destroyer  | Japan  | 1940  |
| Tarpon  | Porpoise-class Submarine  | United States  |   |
| Tatsuta  | Tenryu-class Light Cruiser  | Japan  | 1918  |
| Tatsuta Maru  | No Classification  | Japan  | 1929  |
| Tautog  | Tambor-class Submarine  | United States  | 1940  |
| Tench  | Tench-class Submarine  | United States  |   |
| Tennessee  | Tennessee-class Battleship  | United States  | 1919  |
| Tenryu  | Tenryu-class Light Cruiser  | Japan  | 1918  |
| Texas  | New York-class Battleship  | United States  | 1912  |
| Thor  | No Classification  | Germany  | 1938  |
| Thorn  | Gleaves-class Destroyer  | United States  | 1943  |
| Thornback  | Tench-class Submarine  | United States  |   |
| Thornycroft-class Summary Information  | Thornycroft-class Motor Launch  | United Kingdom  |   |
| Threadfin  | Balao-class Submarine  | United States  |   |
| Thresher  | Tambor-class Submarine  | United States  |   |
| Thunderbolt  | T-class Submarine  | United Kingdom  | 1938  |
| Ticonderoga  | Essex-class Aircraft Carrier  | United States  | 1944  |
| Tiger  | 1924-class Motor Torpedo Boat  | Germany  | 1928  |
| Tigrone  | Tench-class Submarine  | United States  |   |
| Tilefish  | Balao-class Submarine  | United States  |   |
| Tinosa  | Gato-class Submarine  | United States  |   |
| Tirante  | Tench-class Submarine  | United States  | 1944  |
| Tirpitz  | Bismarck-class Battleship  | Germany  | 1939  |
| Tone  | Tone-class Heavy Cruiser  | Japan  | 1937  |
| Tongji  | Tongji-class Light Cruiser  | China  |   |
| Torsk  | Tench-class Submarine  | United States  |   |
| Tourville  | Duquesne-class Heavy Cruiser  | France  |   |
| Toyama Maru  | No Classification  | Japan  |   |
| Tranquility  | Haven-class Hospital Ship  | United States  | 1944  |
| Trento  | Trento-class Heavy Cruiser  | Italy  | 1927  |
| Trepang  | Balao-class Submarine  | United States  | 1944  |
| Tribune  | T-class Submarine  | United Kingdom  | 1938  |
| Trieste  | Trento-class Heavy Cruiser  | Italy  | 1926  |
| Trigger  | Gato-class Submarine  | United States  |   |
| Trillium  | Flower-class Corvette  | Canada  | 1940  |
| Triton  | Tambor-class Submarine  | United States  |   |
| Trout  | Tambor-class Submarine  | United States  |   |
| Trutta  | Tench-class Submarine  | United States  |   |
| Tsingtau  | Tsingtau-class Tender  | Germany  | 1934  |
| Tsushima Maru  | No Classification  | Japan  |   |
| Tucker  | Mahan-class Destroyer  | United States  | 1936  |
| Tullibee  | Gato-class Submarine  | United States  |   |
| Tuna  | Tambor-class Submarine  | United States  |   |
| Tunny  | Gato-class Submarine  | United States  | 1942  |
| Tuscaloosa  | New Orleans-class Heavy Cruiser  | United States  | 1933  |
| Type B-class Summary Information  | Type B-class Midget Submarine  | Japan  |   |
| Type C-class Summary Information  | Type C-class Midget Submarine  | Japan  |   |
| Type D-class Summary Information  | Type D-class Midget Submarine  | Japan  |   |
| Type XXVII-class Summary Information  | Type XXVII-class Midget Submarine  | Germany  |   |
| U-1  | Type II-class Submarine  | Germany  | 1935  |
| U-10  | Type II-class Submarine  | Germany  | 1935  |
| U-100  | Type VII-class Submarine  | Germany  | 1940  |
| U-101  | Type VII-class Submarine  | Germany  | 1940  |
| U-1011  | Type VII-class Submarine  | Germany  |   |
| U-102  | Type VII-class Submarine  | Germany  | 1940  |
| U-103  | Type IX-class Submarine  | Germany  | 1940  |
| U-104  | Type IX-class Submarine  | Germany  | 1940  |
| U-105  | Type IX-class Submarine  | Germany  | 1940  |
| U-1059  | Type VII-class Submarine  | Germany  | 1943  |
| U-106  | Type IX-class Submarine  | Germany  | 1940  |
| U-107  | Type IX-class Submarine  | Germany  | 1940  |
| U-108  | Type IX-class Submarine  | Germany  | 1940  |
| U-109  | Type IX-class Submarine  | Germany  | 1940  |
| U-11  | Type II-class Submarine  | Germany  | 1935  |
| U-110  | Type IX-class Submarine  | Germany  | 1940  |
| U-111  | Type IX-class Submarine  | Germany  | 1940  |
| U-112 (Planned)  | Type XI-class Submarine  | Germany  |   |
| U-113 (Planned)  | Type XI-class Submarine  | Germany  |   |
| U-1133  | Type VII-class Submarine  | Germany  |   |
| U-1134  | Type VII-class Submarine  | Germany  |   |
| U-1135  | Type VII-class Submarine  | Germany  |   |
| U-114 (Planned)  | Type XI-class Submarine  | Germany  |   |
| U-115 (Planned)  | Type XI-class Submarine  | Germany  |   |
| U-116  | Type X-class Minelaying Submarine  | Germany  |   |
| U-117  | Type X-class Minelaying Submarine  | Germany  |   |
| U-118  | Type X-class Minelaying Submarine  | Germany  |   |
| U-119  | Type X-class Minelaying Submarine  | Germany  |   |
| U-12  | Type II-class Submarine  | Germany  | 1935  |
| U-120  | Type II-class Submarine  | Germany  | 1940  |
| U-121  | Type II-class Submarine  | Germany  | 1940  |
| U-122  | Type IX-class Submarine  | Germany  | 1939  |
| U-123  | Type IX-class Submarine  | Germany  | 1940  |
| U-1233  | Type IX-class Submarine  | Germany  |   |
| U-1234  | Type IX-class Submarine  | Germany  | 1944  |
| U-1235  | Type IX-class Submarine  | Germany  |   |
| U-1239  | Type IX-class Submarine  | Germany  |   |
| U-124  | Type IX-class Submarine  | Germany  | 1940  |
| U-1240  | Type IX-class Submarine  | Germany  |   |
| U-125  | Type IX-class Submarine  | Germany  | 1940  |
| U-126  | Type IX-class Submarine  | Germany  |   |
| U-127  | Type IX-class Submarine  | Germany  |   |
| U-128  | Type IX-class Submarine  | Germany  |   |
| U-1280  | Type VII-class Submarine  | Germany  |   |
| U-1282  | Type VII-class Submarine  | Germany  |   |
| U-129  | Type IX-class Submarine  | Germany  |   |
| U-13  | Type II-class Submarine  | Germany  | 1935  |
| U-130  | Type IX-class Submarine  | Germany  |   |
| U-131  | Type IX-class Submarine  | Germany  |   |
| U-132  | Type VII-class Submarine  | Germany  | 1941  |
| U-133  | Type VII-class Submarine  | Germany  |   |
| U-134  | Type VII-class Submarine  | Germany  | 1941  |
| U-135  | Type VII-class Submarine  | Germany  | 1941  |
| U-136  | Type VII-class Submarine  | Germany  | 1941  |
| U-137  | Type II-class Submarine  | Germany  | 1940  |
| U-138  | Type II-class Submarine  | Germany  | 1940  |
| U-139  | Type II-class Submarine  | Germany  | 1940  |
| U-14  | Type II-class Submarine  | Germany  | 1935  |
| U-140  | Type II-class Submarine  | Germany  | 1940  |
| U-141  | Type II-class Submarine  | Germany  | 1940  |
| U-142  | Type II-class Submarine  | Germany  | 1940  |
| U-143  | Type II-class Submarine  | Germany  | 1940  |
| U-144  | Type II-class Submarine  | Germany  | 1940  |
| U-145  | Type II-class Submarine  | Germany  | 1940  |
| U-146  | Type II-class Submarine  | Germany  | 1940  |
| U-147  | Type II-class Submarine  | Germany  | 1940  |
| U-148  | Type II-class Submarine  | Germany  | 1940  |
| U-149  | Type II-class Submarine  | Germany  | 1940  |
| U-15  | Type II-class Submarine  | Germany  | 1936  |
| U-150  | Type II-class Submarine  | Germany  | 1940  |
| U-151  | Type II-class Submarine  | Germany  | 1940  |
| U-152  | Type II-class Submarine  | Germany  | 1940  |
| U-153  | Type IX-class Submarine  | Germany  | 1941  |
| U-154  | Type IX-class Submarine  | Germany  | 1941  |
| U-155  | Type IX-class Submarine  | Germany  | 1941  |
| U-156  | Type IX-class Submarine  | Germany  | 1941  |
| U-157  | Type IX-class Submarine  | Germany  | 1941  |
| U-158  | Type IX-class Submarine  | Germany  | 1941  |
| U-159  | Type IX-class Submarine  | Germany  | 1941  |
| U-16  | Type II-class Submarine  | Germany  | 1936  |
| U-160  | Type IX-class Submarine  | Germany  |   |
| U-161  | Type IX-class Submarine  | Germany  | 1941  |
| U-162  | Type IX-class Submarine  | Germany  | 1941  |
| U-163  | Type IX-class Submarine  | Germany  | 1941  |
| U-164  | Type IX-class Submarine  | Germany  | 1941  |
| U-165  | Type IX-class Submarine  | Germany  |   |
| U-166  | Type IX-class Submarine  | Germany  | 1941  |
| U-167  | Type IX-class Submarine  | Germany  | 1942  |
| U-168  | Type IX-class Submarine  | Germany  | 1942  |
| U-169  | Type IX-class Submarine  | Germany  |   |
| U-17  | Type II-class Submarine  | Germany  | 1935  |
| U-170  | Type IX-class Submarine  | Germany  |   |
| U-171  | Type IX-class Submarine  | Germany  | 1941  |
| U-172  | Type IX-class Submarine  | Germany  | 1941  |
| U-173  | Type IX-class Submarine  | Germany  | 1941  |
| U-174  | Type IX-class Submarine  | Germany  | 1941  |
| U-175  | Type IX-class Submarine  | Germany  | 1941  |
| U-176  | Type IX-class Submarine  | Germany  | 1941  |
| U-177  | Type IX-class Submarine  | Germany  | 1941  |
| U-178  | Type IX-class Submarine  | Germany  | 1941  |
| U-179  | Type IX-class Submarine  | Germany  | 1941  |
| U-18  | Type II-class Submarine  | Germany  | 1935  |
| U-180  | Type IX-class Submarine  | Germany  | 1941  |
| U-181  | Type IX-class Submarine  | Germany  | 1941  |
| U-182  | Type IX-class Submarine  | Germany  | 1942  |
| U-183  | Type IX-class Submarine  | Germany  |   |
| U-184  | Type IX-class Submarine  | Germany  | 1942  |
| U-185  | Type IX-class Submarine  | Germany  |   |
| U-186  | Type IX-class Submarine  | Germany  |   |
| U-187  | Type IX-class Submarine  | Germany  | 1942  |
| U-188  | Type IX-class Submarine  | Germany  | 1942  |
| U-189  | Type IX-class Submarine  | Germany  | 1942  |
| U-19  | Type II-class Submarine  | Germany  | 1935  |
| U-190  | Type IX-class Submarine  | Germany  | 1942  |
| U-191  | Type IX-class Submarine  | Germany  | 1942  |
| U-192  | Type IX-class Submarine  | Germany  |   |
| U-193  | Type IX-class Submarine  | Germany  |   |
| U-194  | Type IX-class Submarine  | Germany  |   |
| U-195  | Type IX-class Submarine  | Germany  |   |
| U-196  | Type IX-class Submarine  | Germany  |   |
| U-197  | Type IX-class Submarine  | Germany  | 1942  |
| U-198  | Type IX-class Submarine  | Germany  | 0000  |
| U-199  | Type IX-class Submarine  | Germany  |   |
| U-2  | Type II-class Submarine  | Germany  | 1935  |
| U-20  | Type II-class Submarine  | Germany  | 1936  |
| U-200  | Type IX-class Submarine  | Germany  |   |
| U-201  | Type VII-class Submarine  | Germany  | 1940  |
| U-202  | Type VII-class Submarine  | Germany  | 1941  |
| U-203  | Type VII-class Submarine  | Germany  | 1941  |
| U-204  | Type VII-class Submarine  | Germany  | 1941  |
| U-205  | Type VII-class Submarine  | Germany  | 1941  |
| U-206  | Type VII-class Submarine  | Germany  | 1941  |
| U-207  | Type VII-class Submarine  | Germany  | 1941  |
| U-208  | Type VII-class Submarine  | Germany  | 1941  |
| U-209  | Type VII-class Submarine  | Germany  |   |
| U-21  | Type II-class Submarine  | Germany  | 1936  |
| U-210  | Type VII-class Submarine  | Germany  |   |
| U-211  | Type VII-class Submarine  | Germany  |   |
| U-212  | Type VII-class Submarine  | Germany  |   |
| U-213  | Type VII-class Submarine  | Germany  | 1941  |
| U-214  | Type VII-class Submarine  | Germany  | 1941  |
| U-215  | Type VII-class Submarine  | Germany  |   |
| U-216  | Type VII-class Submarine  | Germany  |   |
| U-217  | Type VII-class Submarine  | Germany  |   |
| U-218  | Type VII-class Submarine  | Germany  |   |
| U-22  | Type II-class Submarine  | Germany  | 1936  |
| U-226  | Type VII-class Submarine  | Germany  |   |
| U-228  | Type VII-class Submarine  | Germany  |   |
| U-23  | Type II-class Submarine  | Germany  | 1936  |
| U-2321  | Type XXIII-class Submarine  | Germany  |   |
| U-2322  | Type XXIII-class Submarine  | Germany  |   |
| U-2323  | Type XXIII-class Submarine  | Germany  |   |
| U-2324  | Type XXIII-class Submarine  | Germany  |   |
| U-2325  | Type XXIII-class Submarine  | Germany  |   |
| U-2326  | Type XXIII-class Submarine  | Germany  |   |
| U-235  | Type VII-class Submarine  | Germany  |   |
| U-238  | Type VII-class Submarine  | Germany  |   |
| U-239  | Type VII-class Submarine  | Germany  |   |
| U-24  | Type II-class Submarine  | Germany  | 1936  |
| U-240  | Type VII-class Submarine  | Germany  |   |
| U-241  | Type VII-class Submarine  | Germany  |   |
| U-249  | Type VII-class Submarine  | Germany  |   |
| U-25  | Type I-class Submarine  | Germany  | 1936  |
| U-2501  | Type XXI-class Submarine  | Germany  | 1944  |
| U-251  | Type VII-class Submarine  | Germany  |   |
| U-2549  | Type XXI-class Submarine  | Germany  |   |
| U-26  | Type I-class Submarine  | Germany  | 1936  |
| U-27  | Type VII-class Submarine  | Germany  | 1936  |
| U-28  | Type VII-class Submarine  | Germany  | 1936  |
| U-287  | Type VII-class Submarine  | Germany  |   |
| U-29  | Type VII-class Submarine  | Germany  | 1936  |
| U-3  | Type II-class Submarine  | Germany  | 1935  |
| U-30  | Type VII-class Submarine  | Germany  | 1936  |
| U-3001  | Type XXI-class Submarine  | Germany  | 1944  |
| U-3008  | Type XXI-class Submarine  | Germany  | 1944  |
| U-3009  | Type XXI-class Submarine  | Germany  | 1944  |
| U-3010  | Type XXI-class Submarine  | Germany  | 1944  |
| U-3011  | Type XXI-class Submarine  | Germany  | 1944  |
| U-3012  | Type XXI-class Submarine  | Germany  | 1944  |
| U-3013  | Type XXI-class Submarine  | Germany  | 1944  |
| U-3014  | Type XXI-class Submarine  | Germany  | 1944  |
| U-3015  | Type XXI-class Submarine  | Germany  | 1944  |
| U-3016  | Type XXI-class Submarine  | Germany  | 1944  |
| U-3017  | Type XXI-class Submarine  | Germany  | 1944  |
| U-3019  | Type XXI-class Submarine  | Germany  | 1944  |
| U-3036  | Type XXI-class Submarine  | Germany  | 1945  |
| U-3042  | Type XXI-class Submarine  | Germany  |   |
| U-3043  | Type XXI-class Submarine  | Germany  |   |
| U-3048  | Type XXI-class Submarine  | Germany  |   |
| U-3049  | Type XXI-class Submarine  | Germany  |   |
| U-3052  | Type XXI-class Submarine  | Germany  |   |
| U-3053  | Type XXI-class Submarine  | Germany  |   |
| U-3054  | Type XXI-class Submarine  | Germany  |   |
| U-3055  | Type XXI-class Submarine  | Germany  |   |
| U-3056  | Type XXI-class Submarine  | Germany  |   |
| U-3057  | Type XXI-class Submarine  | Germany  |   |
| U-3058  | Type XXI-class Submarine  | Germany  |   |
| U-3059  | Type XXI-class Submarine  | Germany  |   |
| U-3060  | Type XXI-class Submarine  | Germany  |   |
| U-3061  | Type XXI-class Submarine  | Germany  |   |
| U-3062  | Type XXI-class Submarine  | Germany  |   |
| U-3063  | Type XXI-class Submarine  | Germany  |   |
| U-31  | Type VII-class Submarine  | Germany  | 1936  |
| U-32  | Type VII-class Submarine  | Germany  | 1937  |
| U-33  | Type VII-class Submarine  | Germany  | 1936  |
| U-331  | Type VII-class Submarine  | Germany  |   |
| U-332  | Type VII-class Submarine  | Germany  |   |
| U-333  | Type VII-class Submarine  | Germany  |   |
| U-334  | Type VII-class Submarine  | Germany  |   |
| U-34  | Type VII-class Submarine  | Germany  | 1936  |
| U-35  | Type VII-class Submarine  | Germany  | 1936  |
| U-3504  | Type XXI-class Submarine  | Germany  |   |
| U-3505  | Type XXI-class Submarine  | Germany  |   |
| U-3510  | Type XXI-class Submarine  | Germany  |   |
| U-3511  | Type XXI-class Submarine  | Germany  |   |
| U-3512  | Type XXI-class Submarine  | Germany  |   |
| U-3515  | Type XXI-class Submarine  | Germany  |   |
| U-3516  | Type XXI-class Submarine  | Germany  |   |
| U-3517  | Type XXI-class Submarine  | Germany  |   |
| U-3518  | Type XXI-class Submarine  | Germany  |   |
| U-3519  | Type XXI-class Submarine  | Germany  |   |
| U-3520  | Type XXI-class Submarine  | Germany  |   |
| U-3521  | Type XXI-class Submarine  | Germany  |   |
| U-3522  | Type XXI-class Submarine  | Germany  |   |
| U-3523  | Type XXI-class Submarine  | Germany  |   |
| U-3524  | Type XXI-class Submarine  | Germany  |   |
| U-3525  | Type XXI-class Submarine  | Germany  |   |
| U-3526  | Type XXI-class Submarine  | Germany  |   |
| U-3527  | Type XXI-class Submarine  | Germany  |   |
| U-3528  | Type XXI-class Submarine  | Germany  |   |
| U-3535  | Type XXI-class Submarine  | Germany  |   |
| U-3536  | Type XXI-class Submarine  | Germany  |   |
| U-3537  | Type XXI-class Submarine  | Germany  |   |
| U-3538  | Type XXI-class Submarine  | Germany  |   |
| U-3539  | Type XXI-class Submarine  | Germany  |   |
| U-3540  | Type XXI-class Submarine  | Germany  |   |
| U-3541  | Type XXI-class Submarine  | Germany  |   |
| U-3542  | Type XXI-class Submarine  | Germany  |   |
| U-36  | Type VII-class Submarine  | Germany  | 1936  |
| U-37  | Type IX-class Submarine  | Germany  | 1938  |
| U-373  | Type VII-class Submarine  | Germany  |   |
| U-38  | Type IX-class Submarine  | Germany  | 1938  |
| U-382  | Type VII-class Submarine  | Germany  |   |
| U-39  | Type IX-class Submarine  | Germany  | 1938  |
| U-4  | Type II-class Submarine  | Germany  | 1935  |
| U-40  | Type IX-class Submarine  | Germany  | 1938  |
| U-401  | Type VII-class Submarine  | Germany  |   |
| U-402  | Type VII-class Submarine  | Germany  |   |
| U-403  | Type VII-class Submarine  | Germany  |   |
| U-41  | Type IX-class Submarine  | Germany  | 1939  |
| U-42  | Type IX-class Submarine  | Germany  | 1939  |
| U-43  | Type IX-class Submarine  | Germany  | 1939  |
| U-44  | Type IX-class Submarine  | Germany  | 1939  |
| U-442  | Type VII-class Submarine  | Germany  |   |
| U-45  | Type VII-class Submarine  | Germany  | 1938  |
| U-452  | Type VII-class Submarine  | Germany  |   |
| U-453  | Type VII-class Submarine  | Germany  |   |
| U-454  | Type VII-class Submarine  | Germany  |   |
| U-459  | Type XIV-class Cargo Submarine  | Germany  |   |
| U-46  | Type VII-class Submarine  | Germany  | 1938  |
| U-460  | Type XIV-class Cargo Submarine  | Germany  |   |
| U-461  | Type XIV-class Cargo Submarine  | Germany  |   |
| U-462  | Type XIV-class Cargo Submarine  | Germany  |   |
| U-463  | Type XIV-class Cargo Submarine  | Germany  |   |
| U-464  | Type XIV-class Cargo Submarine  | Germany  |   |
| U-47  | Type VII-class Submarine  | Germany  | 1938  |
| U-4714  | Type XXIII-class Submarine  | Germany  | 1945  |
| U-48  | Type VII-class Submarine  | Germany  | 1939  |
| U-49  | Type VII-class Submarine  | Germany  | 1939  |
| U-491  | Type XIV-class Cargo Submarine  | Germany  |   |
| U-492  | Type XIV-class Cargo Submarine  | Germany  |   |
| U-493  | Type XIV-class Cargo Submarine  | Germany  |   |
| U-494  | Type XIV-class Cargo Submarine  | Germany  |   |
| U-5  | Type II-class Submarine  | Germany  | 1935  |
| U-50  | Type VII-class Submarine  | Germany  | 1939  |
| U-505  | Type IX-class Submarine  | Germany  | 1941  |
| U-51  | Type VII-class Submarine  | Germany  | 1938  |
| U-52  | Type VII-class Submarine  | Germany  | 1938  |
| U-53  | Type VII-class Submarine  | Germany  | 1939  |
| U-530  | Type IX-class Submarine  | Germany  | 1942  |
| U-537  | Type IX-class Submarine  | Germany  |   |
| U-54  | Type VII-class Submarine  | Germany  | 1939  |
| U-55  | Type VII-class Submarine  | Germany  | 1939  |
| U-559  | Type VII-class Submarine  | Germany  | 1941  |
| U-56  | Type II-class Submarine  | Germany  | 1938  |
| U-57  | Type II-class Submarine  | Germany  | 1938  |
| U-575  | Type VII-class Submarine  | Germany  | 1941  |
| U-576  | Type VII-class Submarine  | Germany  | 1941  |
| U-577  | Type VII-class Submarine  | Germany  | 1941  |
| U-578  | Type VII-class Submarine  | Germany  | 1941  |
| U-58  | Type II-class Submarine  | Germany  | 1938  |
| U-59  | Type II-class Submarine  | Germany  | 1938  |
| U-6  | Type II-class Submarine  | Germany  | 1935  |
| U-60  | Type II-class Submarine  | Germany  | 1939  |
| U-61  | Type II-class Submarine  | Germany  | 1939  |
| U-62  | Type II-class Submarine  | Germany  | 1939  |
| U-63  | Type II-class Submarine  | Germany  | 1939  |
| U-64  | Type IX-class Submarine  | Germany  | 1939  |
| U-65  | Type IX-class Submarine  | Germany  | 1939  |
| U-66  | Type IX-class Submarine  | Germany  | 1940  |
| U-67  | Type IX-class Submarine  | Germany  | 1940  |
| U-68  | Type IX-class Submarine  | Germany  | 1940  |
| U-684  | Type VII-class Submarine  | Germany  |   |
| U-685  | Type VII-class Submarine  | Germany  |   |
| U-686  | Type VII-class Submarine  | Germany  |   |
| U-687  | Type VII-class Submarine  | Germany  |   |
| U-688  | Type VII-class Submarine  | Germany  |   |
| U-689  | Type VII-class Submarine  | Germany  |   |
| U-69  | Type VII-class Submarine  | Germany  | 1940  |
| U-7  | Type II-class Submarine  | Germany  | 1935  |
| U-70  | Type VII-class Submarine  | Germany  | 1940  |
| U-71  | Type VII-class Submarine  | Germany  | 1940  |
| U-72  | Type VII-class Submarine  | Germany  | 1940  |
| U-73  | Type VII-class Submarine  | Germany  | 1940  |
| U-736  | Type VII-class Submarine  | Germany  |   |
| U-737  | Type VII-class Submarine  | Germany  |   |
| U-738  | Type VII-class Submarine  | Germany  |   |
| U-74  | Type VII-class Submarine  | Germany  | 1940  |
| U-745  | Type VII-class Submarine  | Germany  |   |
| U-746  | Type VII-class Submarine  | Germany  |   |
| U-75  | Type VII-class Submarine  | Germany  | 1940  |
| U-751  | Type VII-class Submarine  | Germany  | 1940  |
| U-752  | Type VII-class Submarine  | Germany  | 1941  |
| U-754  | Type VII-class Submarine  | Germany  | 1941  |
| U-76  | Type VII-class Submarine  | Germany  | 1940  |
| U-77  | Type VII-class Submarine  | Germany  | 1940  |
| U-78  | Type VII-class Submarine  | Germany  | 1940  |
| U-79  | Type VII-class Submarine  | Germany  | 1941  |
| U-8  | Type II-class Submarine  | Germany  | 1935  |
| U-80  | Type VII-class Submarine  | Germany  | 1941  |
| U-81  | Type VII-class Submarine  | Germany  | 1941  |
| U-82  | Type VII-class Submarine  | Germany  | 1941  |
| U-821  | Type VII-class Submarine  | Germany  |   |
| U-822  | Type VII-class Submarine  | Germany  |   |
| U-83  | Type VII-class Submarine  | Germany  | 1940  |
| U-84  | Type VII-class Submarine  | Germany  | 1941  |
| U-85  | Type VII-class Submarine  | Germany  | 1941  |
| U-86  | Type VII-class Submarine  | Germany  | 1941  |
| U-860  | Type IX-class Submarine  | Germany  | 1943  |
| U-869  | Type IX-class Submarine  | Germany  | 1943  |
| U-87  | Type VII-class Submarine  | Germany  | 1941  |
| U-88  | Type VII-class Submarine  | Germany  | 1941  |
| U-89  | Type VII-class Submarine  | Germany  | 1941  |
| U-9  | Type II-class Submarine  | Germany  | 1935  |
| U-90  | Type VII-class Submarine  | Germany  | 1941  |
| U-908  | Type VII-class Submarine  | Germany  |   |
| U-91  | Type VII-class Submarine  | Germany  | 1941  |
| U-92  | Type VII-class Submarine  | Germany  | 1942  |
| U-922  | Type VII-class Submarine  | Germany  |   |
| U-923  | Type VII-class Submarine  | Germany  |   |
| U-924  | Type VII-class Submarine  | Germany  |   |
| U-925  | Type VII-class Submarine  | Germany  |   |
| U-926  | Type VII-class Submarine  | Germany  |   |
| U-927  | Type VII-class Submarine  | Germany  |   |
| U-928  | Type VII-class Submarine  | Germany  |   |
| U-929  | Type VII-class Submarine  | Germany  |   |
| U-93  | Type VII-class Submarine  | Germany  | 1940  |
| U-930  | Type VII-class Submarine  | Germany  |   |
| U-931  | Type VII-class Submarine  | Germany  |   |
| U-932  | Type VII-class Submarine  | Germany  |   |
| U-94  | Type VII-class Submarine  | Germany  | 1940  |
| U-95  | Type VII-class Submarine  | Germany  | 1940  |
| U-96  | Type VII-class Submarine  | Germany  | 1940  |
| U-97  | Type VII-class Submarine  | Germany  | 1940  |
| U-977  | Type VII-class Submarine  | Germany  | 1943  |
| U-98  | Type VII-class Submarine  | Germany  | 1940  |
| U-99  | Type VII-class Submarine  | Germany  | 1940  |
| UA  | Ay-class Submarine  | Germany  | 1938  |
| Unryu  | Unryu-class Aircraft Carrier  | Japan  | 1943  |
| Unyo  | Taiyo-class Escort Carrier  | Japan  | 1939  |
| Valiant  | Queen Elizabeth-class Battleship  | United Kingdom  | 1914  |
| Vampire  | V and W-class Destroyer  | Australia  | 1917  |
| Velite  | Soldati-class Destroyer  | Italy  |   |
| Vendetta  | V and W-class Destroyer  | Australia  | 1917  |
| Victorious  | Illustrious-class Aircraft Carrier  | United Kingdom  | 1939  |
| Victory-class Summary Information  | Victory-class Merchant Vessel  | United States  |   |
| Vincennes  | New Orleans-class Heavy Cruiser  | United States  | 1936  |
| Vincenzo Gioberti  | Oriani-class Destroyer  | Italy  |   |
| Vittorio Alfieri  | Oriani-class Destroyer  | Italy  |   |
| Vittorio Veneto  | Vittorio Veneto-class Battleship  | Italy  | 1937  |
| Voroshilov  | Kirov-class Light Cruiser  | Russia  | 1937  |
| Väinämöinen  | Väinämöinen-class Coastal Defense Ship  | Finland  | 1932  |
| Wahoo  | Gato-class Submarine  | United States  | 1942  |
| Wake Island  | Casablanca-class Escort Carrier  | United States  | 1943  |
| Waldemar Kophamel  | Wilhelm Bauer-class Submarine Tender  | Germany  | 1939  |
| Waller  | Fletcher-class Destroyer  | United States  | 1942  |
| Ward  | Wickes-class Destroyer  | United States  |   |
| Warspite  | Queen Elizabeth-class Battleship  | United Kingdom  | 1913  |
| Washington  | North Carolina-class Battleship  | United States  | 1940  |
| Wasp (Essex-class)  | Essex-class Aircraft Carrier  | United States  | 1943  |
| Wasp (Wasp-class)  | Wasp-class Aircraft Carrier  | United States  | 1939  |
| Waterhen  | V and W-class Destroyer  | Australia  | 1918  |
| Wedderburn  | Fletcher-class Destroyer  | United States  | 1943  |
| Weissesee  | No Classification  | Germany  |   |
| West Virginia  | Colorado-class Battleship  | United States  |   |
| Westcott  | V and W-class Destroyer  | United Kingdom  | 1918  |
| Westerwald  | No Classification  | Germany  | 1937  |
| Westfalen  | No Classification  | Germany  | 1905  |
| Whale  | Gato-class Submarine  | United States  | 1942  |
| Whitehall  | V and W-class Destroyer  | United Kingdom  | 1919  |
| Wickes  | Fletcher-class Destroyer  | United States  | 1942  |
| Widder  | No Classification  | Germany  | 1929  |
| Wilhelm Bauer  | Wilhelm Bauer-class Submarine Tender  | Germany  | 1938  |
| Wilhelm Gustloff  | No Classification  | Germany  |   |
| Wisconsin  | Iowa-class Battleship  | United States  | 1943  |
| Wolf  | 1924-class Motor Torpedo Boat  | Germany  | 1927  |
| Wolverine  | No Classification  | United States  |   |
| X-class Summary Information  | X-class Midget Submarine  | United Kingdom  |   |
| Yahagi  | Agano-class Light Cruiser  | Japan  | 1942  |
| Yamagumo  | Asashio-class Destroyer  | Japan  | 1938  |
| Yamashiro  | Fuso-class Battleship  | Japan  | 1915  |
| Yamato  | Yamato-class Battleship  | Japan  | 1940  |
| Yingrui  | Zhaohe-class Protected Cruiser  | China  | 1911  |
| Yorktown (Essex-class)  | Essex-class Aircraft Carrier  | United States  | 1943  |
| Yorktown (Yorktown-class)  | Yorktown-class Aircraft Carrier  | United States  | 1936  |
| Young  | Fletcher-class Destroyer  | United States  | 1942  |
| Yubari  | Yubari-class Light Cruiser  | Japan  | 1923  |
| Yugure  | Hatsuharu-class Destroyer  | Japan  |   |
| Yukikaze  | Kagero-class Destroyer  | Japan  | 1939  |
| Yura  | Nagara-class Light Cruiser  | Japan  | 1922  |
| Yuzuki  | Mutsuki-class Destroyer  | Japan  | 1927  |
| Z1 Leberecht Maass  | 1934-class Destroyer  | Germany  | 1935  |
| Z10 Hans Lody  | 1934A-class Destroyer  | Germany  | 1936  |
| Z11 Bernd Von Arnim  | 1934A-class Destroyer  | Germany  | 1936  |
| Z12 Erich Giese  | 1934A-class Destroyer  | Germany  | 1937  |
| Z13 Erich Koellner  | 1934A-class Destroyer  | Germany  | 1937  |
| Z14 Friedrich Ihn  | 1934A-class Destroyer  | Germany  | 1935  |
| Z15 Erich Steinbrinck  | 1934A-class Destroyer  | Germany  | 1936  |
| Z16 Friedrich Eckholdt  | 1934A-class Destroyer  | Germany  | 1937  |
| Z17 Diether von Roeder  | 1936-class Destroyer  | Germany  | 1937  |
| Z18 Hans Ludemann  | 1936-class Destroyer  | Germany  | 1937  |
| Z19 Hermann Kunne  | 1936-class Destroyer  | Germany  | 1937  |
| Z2 Georg Thiele  | 1934-class Destroyer  | Germany  | 1935  |
| Z20 Karl Galster  | 1936-class Destroyer  | Germany  | 1938  |
| Z21 Wilhelm Heidkamp  | 1936-class Destroyer  | Germany  | 1938  |
| Z22 Anton Schmitt  | 1936-class Destroyer  | Germany  | 1938  |
| Z23  | 1936A-class Destroyer  | Germany  | 1939  |
| Z24  | 1936A-class Destroyer  | Germany  | 1940  |
| Z25  | 1936A-class Destroyer  | Germany  | 1940  |
| Z26  | 1936A-class Destroyer  | Germany  | 1940  |
| Z27  | 1936A-class Destroyer  | Germany  | 1940  |
| Z28  | 1936A-class Destroyer  | Germany  | 1940  |
| Z29  | 1936A-class Destroyer  | Germany  | 1940  |
| Z3 Max Schultz  | 1934-class Destroyer  | Germany  | 1935  |
| Z30  | 1936A-class Destroyer  | Germany  | 1940  |
| Z31  | 1936A (Mob)-class Destroyer  | Germany  | 1941  |
| Z32  | 1936A (Mob)-class Destroyer  | Germany  | 1941  |
| Z33  | 1936A (Mob)-class Destroyer  | Germany  | 1941  |
| Z34  | 1936A (Mob)-class Destroyer  | Germany  | 1942  |
| Z35  | 1936B-class Destroyer  | Germany  | 1942  |
| Z36  | 1936B-class Destroyer  | Germany  | 1943  |
| Z37  | 1936A (Mob)-class Destroyer  | Germany  | 1942  |
| Z38  | 1936A (Mob)-class Destroyer  | Germany  | 1941  |
| Z39  | 1936A (Mob)-class Destroyer  | Germany  | 1941  |
| Z4 Richard Beitzen  | 1934-class Destroyer  | Germany  | 1935  |
| Z40 (Planned)  | 1936B-class Destroyer  | Germany  |   |
| Z41 (Planned)  | 1936B-class Destroyer  | Germany  |   |
| Z42 (Planned)  | 1936B-class Destroyer  | Germany  |   |
| Z43  | 1936B-class Destroyer  | Germany  | 1943  |
| Z44  | 1936B-class Destroyer  | Germany  | 1944  |
| Z45  | 1936B-class Destroyer  | Germany  |   |
| Z46  | 1936C-class Destroyer  | Germany  |   |
| Z47  | 1936C-class Destroyer  | Germany  |   |
| Z48 (Planned)  | 1936C-class Destroyer  | Germany  |   |
| Z49 (Planned)  | 1936C-class Destroyer  | Germany  |   |
| Z5 Paul Jacobi  | 1934A-class Destroyer  | Germany  | 1936  |
| Z50 (Planned)  | 1936C-class Destroyer  | Germany  |   |
| Z51  | 1942-class Destroyer  | Germany  | 1944  |
| Z52  | 1944-class Destroyer  | Germany  |   |
| Z53  | 1944-class Destroyer  | Germany  |   |
| Z54  | 1944-class Destroyer  | Germany  |   |
| Z55  | 1944-class Destroyer  | Germany  |   |
| Z56  | 1944-class Destroyer  | Germany  |   |
| Z57 (Planned)  | 1944-class Destroyer  | Germany  |   |
| Z58 (Planned)  | 1944-class Destroyer  | Germany  |   |
| Z6 Theodor Riedel  | 1934A-class Destroyer  | Germany  | 1936  |
| Z7 Hermann Schoemann  | 1934A-class Destroyer  | Germany  | 1936  |
| Z8 Bruno Heinemann  | 1934A-class Destroyer  | Germany  | 1936  |
| Z9 Wolfgang Zenker  | 1934A-class Destroyer  | Germany  | 1936  |
| Zara  | Zara-class Heavy Cruiser  | Italy  | 1930  |
| Zhaohe  | Zhaohe-class Protected Cruiser  | China  | 1911  |
| Zuiho  | Zuiho-class Light Carrier  | Japan  | 1936  |
| Zuikaku  | Shokaku-class Aircraft Carrier  | Japan  | 1939  |
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