| Twelfth Area Army | |
|---|---|
 Invasion Map for Tokyo region during Operation Downfall | |
| Active | February 1, 1945 - August 15, 1945 |
| Country |  Japan |
| Branch |  Imperial Japanese Army |
| Type | Infantry |
| Role | Field Army |
| Garrison/HQ | Tokyo |
| Nickname(s) | 幡 (hata = “banner”) |
| Engagements | Operation Downfall |
The Twelfth Area Army (第12方面軍, Dai-jūni hōmen gun) was a field army of the Imperial Japanese Army during World War II.