| Ohyodogawa No.2 Choseichi | |
| Name Official: | 大淀川第二調整池 |
| Location: | Miyazaki Prefecture, Japan |
| Dam Length: | 149.1m |
| Dam Height: | 21.8m |
| Construction Began: | 1926 |
| Opening: | 1931 |
| Res Capacity Total: | 242 thousand cubic meters |
| Res Catchment: | 3.7 sq. km |
| Res Surface: | 4 hectares |
| Coordinates: | 31.94°N 131.24°W |
| Location Map: | Japan |
Ohyodogawa No.2 Choseichi is a gravity dam located in Miyazaki Prefecture in Japan. The dam is used for power production. The catchment area of the dam is 3.7 km2. The dam impounds about 4 ha of land when full and can store 242 thousand cubic meters of water. The construction of the dam was started on 1926 and completed in 1931.[1]