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 | No Classification | 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) | Graf Zeppelin-class Aircraft Carrier | Germany | 1940 (Projected, not actual) |
| B (Planned) | No Classification | Germany | |
| 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 |
| 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 | 1931 |
| 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 Submarine | United States | 1933 |
| 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 |
| 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) | No Classification | Germany | |
| D (Planned) | Graf Zeppelin-class Aircraft Carrier | Germany | 1947 (Projected, not actual) |
| 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 | 1923-class Motor Torpedo Boat | Germany | 1926 |
| Falke | No Classification | Germany | 1940 |
| 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 | No Classification | Germany | 1939 |
| G (Planned) | No Classification | Germany | |
| G1 | G-class Destroyer Escort | Germany | |
| G2 (Planned) | G-class Destroyer Escort | Germany | |
| G3 (Planned) | 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 | No Classification | 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 | |
| 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 Albert Wedel | No Classification | Germany | |
| 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 | No Classification | Germany | 1939 |
| Hermann Kohl | No Classification | Germany | |
| Hermes | Hermes-class Light Carrier | United Kingdom | 1919 |
| Herring | Gato-class Submarine | United States | |
| Hiei | Kongo-class Battleship | Japan | |
| 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 |
| 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 | No Classification | 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 |
| 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 | |
| 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 |
| Liberty-class Summary Information | Liberty-class Merchant Vessel | United States | |
| 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 | No Classification | Germany | |
| M (Planned) | H-class Battleship | Germany | 1942 (Projected, not actual) |
| M (Planned) | M-class Light Cruiser | Germany | 1941 (Projected, not actual) |
| M1 (Planned) | M1-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 |
| 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 | |
| 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 |
| Micea | No Classification | Germany | 1938 |
| 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 |
| Mississippi | New Mexico-class Battleship | United States | |
| 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 | |
| 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) | H-class Battleship | Germany | 1943 (Projected, not actual) |
| N (Planned) | M-class Light Cruiser | Germany | 1942 (Projected, not actual) |
| N | No Classification | Germany | |
| N1 (Planned) | M1-class Light Cruiser | Germany | 1945 (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 | |
| 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 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 |
| 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'Brien | Sims-class Destroyer | United States | 1939 |
| O1 (Planned) | M1-class Light Cruiser | Germany | 1945 (Projected, not actual) |
| 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) | O-class Battlecruiser | Germany | 1941 (Projected, not actual) |
| P (Planned) | M-class Light Cruiser | Germany | 1943 (Projected, not actual) |
| P1 (Planned) | M1-class Light Cruiser | Germany | 1945 (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 | |
| 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) | O-class Battlecruiser | Germany | 1942 (Projected, not actual) |
| Q (Planned) | M-class Light Cruiser | Germany | 1943 (Projected, not actual) |
| Q1 (Planned) | M1-class Light Cruiser | Germany | 1945 (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-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 | |
| R1 (Planned) | M1-class Light Cruiser | Germany | 1945 (Projected, not actual) |
| 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 | No Classification | Germany | |
| 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 |
| 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 (Planned) | Spähkreuzer 1938-class Scout Cruiser | Germany | 1942 (Projected, not actual) |
| 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 | |
| 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 | |
| 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 | |
| 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 | |
| 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-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-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-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 |
| 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 | |
| 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 | 1936B-class Destroyer | Germany | |
| Z41 | 1936B-class Destroyer | Germany | |
| Z42 | 1936B-class Destroyer | Germany | |
| Z43 | 1936B-class Destroyer | Germany | 1943 |
| Z44 | 1936B-class Destroyer | Germany | 1944 |
| Z45 | 1936B-class Destroyer | Germany | 1944 |
| 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 (Planned) | 1944-class Destroyer | Germany | |
| Z53 (Planned) | 1944-class Destroyer | Germany | |
| Z54 (Planned) | 1944-class Destroyer | Germany | |
| Z55 (Planned) | 1944-class Destroyer | Germany | |
| Z56 (Planned) | 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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"You ask, what is our aim? I can answer in one word. It is victory. Victory at all costs. Victory in spite of all terrors. Victory, however long and hard the road may be, for without victory there is no survival."Winston Churchill
