| Doubles | |
|---|---|
| 2012 All Japan Indoor Tennis Championships | |
| Champions |
|
| Runners-up |
|
| Final score | 7–6(9–7), 6–3 |
Dominik Meffert and Simon Stadler were the defending champions but decided not to participate.
Sanchai Ratiwatana and Sonchat Ratiwatana won the title, defeating Hsieh Cheng-peng and Lee Hsin-han 7–6(9–7), 6–3 in the final.