| Ohno Dam | |
| Name Official: | 大野ダム |
| Location: | Iwate Prefecture, Japan |
| Dam Length: | 108.3m |
| Dam Height: | 26m |
| Construction Began: | 1982 |
| Opening: | 2004 |
| Res Capacity Total: | 700 thousand cubic meters |
| Res Catchment: | 3.3 sq. km |
| Res Surface: | 17 hectares |
| Coordinates: | 40.2481°N 141.6489°W |
| Location Map: | Japan |
Ohno Dam is a gravity dam located in Iwate Prefecture in Japan. The dam is used for irrigation. The catchment area of the dam is 3.3 km2. The dam impounds about 17 ha of land when full and can store 700 thousand cubic meters of water. The construction of the dam was started on 1982 and completed in 2004.[1]