| Ōdomari Dam | |
| Dam Crosses: | Takiyama River |
| Location: | Hiroshima Prefecture, Japan |
| Dam Length: | 155 m |
| Dam Height: | 74 m |
| Opening: | 1935 |
| Res Capacity Total: | 31,100,000 m3 |
| Res Catchment: | 220.7 km2 |
| Res Surface: | 146 hectares |
is a dam in Hiroshima Prefecture, Japan.