Fifty-Ninth Army (Japan)
| Japanese Fifty-Ninth Army | |
|---|---|
| Active | June 15, 1945 – August 15, 1945 |
| Country | Empire of Japan |
| Branch | Imperial Japanese Army |
| Type | Infantry |
| Role | Corps |
| Nickname(s) | 山陽 (San'yo, after San'yo region) |
| Engagements | Operation Downfall |
The Japanese 59th Army (第59軍, Dai-gojyūku gun) was an army of the Imperial Japanese Army during the final days of World War II.