| Unit Name: | 31st Training Squadron |
| Native Name: | 第31飛行隊 |
| Country: | Japan |
| Branch: | Japan Air Self-Defense Force |
| Command Structure: | 1st Air Wing, Air Training Command |
| Garrison: | Hamamatsu Air Base |
| Colours: | --> |
| Colours Label: | --> |
| Aircraft Trainer: | Kawasaki T-4 |
The 31st Training Squadron is a unit of the Japan Air Self-Defense Force. It comes under the authority of the 1st Air Wing of Air Training Command. It is based at Hamamatsu Air Base in Shizuoka Prefecture.[1] [2] It is equipped with Kawasaki T-4 aircraft.