| Shimagawa Dam | |
| Dam Crosses: | Shima River |
| Dam Type: | Gravity |
| Location: | Gunma Prefecture, Japan. |
| Dam Length: | 330m (1,080feet) |
| Dam Height: | 89.5m (293.6feet) |
| Construction Began: | 1980 |
| Opening: | 1999 |
| Res Capacity Total: | 9200000m2 |
| Res Catchment: | 28.4km2 |
| Coordinates: | 36.6964°N 138.7814°W |
Shimagawa Dam is a dam in the Gunma Prefecture of Japan.