| Tomamae Dam | |
| Location: | Hokkaido Prefecture, Japan |
| Dam Length: | 155m |
| Dam Height: | 34.8m |
| Construction Began: | 1991 |
| Opening: | 1999 |
| Res Capacity Total: | 7400 thousand cubic meters |
| Res Catchment: | 56.4 sq. km |
| Res Surface: | 83 hectares |
| Coordinates: | 44.1681°N 141.83°W |
| Location Map: | Japan |
is a gravity dam located in Hokkaido Prefecture, in Japan. The dam is used for irrigation. The catchment area of the dam is 56.4 km2. The dam impounds about 83 ha of land when full and can store 7400 thousand cubic meters of water. The construction of the dam was started on 1991 and completed in 1999.[1]