Koiso file photo [800]

Kuniaki Koiso

Given NameKuniaki
Born22 Mar 1880
Died3 Nov 1950


ww2dbaseKuniaki Koiso was born in Tochigi Prefecture, Japan. He graduated from the Army Academy in 1900 and became an infantryman, then went on to attend the War College. He had a healthy promotion track throughout his military career, making the rank of major general by 1926. From 1929 and on, he served in various high staff positions such as chief positions with the Ministry of War, Minister of Overseas Affairs, Chief of the Kwangtung Army in Manchuria during WW2, and Governor-General of Korea also during WW2. In 1944, Hideki Tojo's government fell at the face of American advances in south and central Pacific, and Koiso was named the new Prime Minister. In Apr 1945, the Japanese military failed to halt the American invasion of Okinawa, losing the battleship Yamato, the navy's pride, in the process; Koiso resigned on 7 Apr 1945, the day Yamato sank with 2,488 of her men. He was tried by the International Military Tribunal for war crimes and was sentenced to life in prison. He died in captivity in 1950.

ww2dbaseSource: Wikipedia.

Last Major Revision: Jun 2006

Kuniaki Koiso Timeline

22 Mar 1880 Kuniaki Koiso was born.
8 Aug 1932 Nobuyoshi Muto succeeded Shigeru Honjo as the commanding officer of the Japanese Kwantung Army in northeastern China. Kuniaki Koiso was named as Muto's chief of staff.
5 Apr 1934 Kuniaki Koiso was awarded the Order of the Rising Sun, 1st Class.
29 Apr 1934 Kuniaki Koiso was awarded the Order of the Sacred Treasure, 1st Class and the Order of the Golden Kite, 2nd Class.
2 Dec 1935 General Kuniaki Koiso was named the commanding officer of the Japanese Chosen Army in occupied Korea, relieving Kenkichi Ueda.
22 Jul 1944 Kuniaki Koiso was named the 41st Prime Minister of Japan.
3 Nov 1950 Kuniaki Koiso passed away.


Prime Minister Mitsumasa Yonai and his cabinet, Tokyo, Japan, 16 Jan 1940Prime Minister Kuniaki Koiso with his cabinet ministers, 22 Jul 1944; note Naval Minister Mitsumasa Yonai in front row next to KoisoThe defendants at the International Military Tribunal for the Far East, Ichigaya Court, Tokyo, Japan, May-Jun 1946

Did you enjoy this article or find this article helpful? If so, please consider supporting us on Patreon. Even $1 per month will go a long way! Thank you.

Share this article with your friends:


Stay updated with WW2DB:

 RSS Feeds

Visitor Submitted Comments

1. Anonymous says:
22 Mar 2016 03:28:38 AM

More interesting history.
More interesting than American....

All visitor submitted comments are opinions of those making the submissions and do not reflect views of WW2DB.

Posting Your Comments on this Topic

Your Name
Your Email
 Your email will not be published
Comment Type
Your Comments
Security Code



1. We hope that visitor conversations at WW2DB will be constructive and thought-provoking. Please refrain from using strong language. HTML tags are not allowed. Your IP address will be tracked even if you remain anonymous. WW2DB site administrators reserve the right to moderate, censor, and/or remove any comment. All comment submissions will become the property of WW2DB.

2. For inquiries about military records for members of the World War II armed forces, please see our FAQ.

Search WW2DB & Partner Sites
More on Kuniaki Koiso
Event(s) Participated:
» First Battle of Hebei
» Tokyo Trial and Other Trials Against Japan

Kuniaki Koiso Photo Gallery
Prime Minister Mitsumasa Yonai and his cabinet, Tokyo, Japan, 16 Jan 1940
See all 3 photographs of Kuniaki Koiso

Famous WW2 Quote
"I have returned. By the grace of Almighty God, our forces stand again on Philippine soil."

General Douglas MacArthur at Leyte, 17 Oct 1944

Support Us

Please consider supporting us on Patreon. Even $1 a month will go a long way. Thank you!

Or, please support us by purchasing some WW2DB merchandise at TeeSpring, Thank you!