| Shiro Nonaka | |
|---|---|
| Born |
October 27, 1903 Okayama, Okayama Prefecture, Empire of Japan |
| Died | February 29, 1936 (aged 32) Tokyo City, Tokyo Prefecture, Empire of Japan |
| Service/branch | Imperial Japanese Army |
| Years of service | 1924–1936 |
| Rank | Captain |
Shirō Nonaka (野中 四郎 Nonaka Shirō?, 27 October 1903 – 29 February 1936) was an Imperial Japanese Army officer who was a central conspirator in the February 26 Incident in 1936. His final rank was Captain.
Nonaka was born in the city of Okayama, in a family of career military officers. He graduated in the 36th class of the Imperial Japanese Army Academy in 1924 and became an Infantry Captain in 1933. During the February 26 Incident, he led 500 soldiers to take over Tokyo Metropolitan Police Department headquarters, but committed suicide on 29 February when the coup d'etat failed.