| Hokubō Dam | |
| Location: | Maniwa, Okayama, Japan Niimi, Okayama, Japan |
| Dam Type: | Concrete gravity dam |
| Dam Length: | 94 m |
| Dam Height: | 35.3 m |
| Dam Volume: | 33,000 m3 |
| Construction Began: | 1972 |
| Opening: | 1980 |
| Res Capacity Total: | 1,140,000 m3 |
| Res Catchment: | 6.2 km2 |
| Res Surface: | 9 ha |
is a dam in Okayama Prefecture, Japan. It is located on the border between the cities of Maniwa and Niimi, and it is actually situated between the eastbound and westbound lanes of the Chūgoku Expressway. The dam was completed in 1980.[1]