| Sagami Dam | |
|---|---|
 | |
| Official name | 相模ダム |
| Location | Kanagawa Prefecture, Japan |
| Coordinates | 35°36′55.8″N 139°11′43.4″E / 35.615500°N 139.195389°E |
| Construction began | 1938 |
| Opening date | 1947 |
| Operator(s) | Kanagawa Prefecture |
| Dam and spillways | |
| Type of dam | Gravity |
| Impounds | Sagami River |
| Height | 58.4 m (192 ft) |
| Length | 196 m (643 ft) |
| Reservoir | |
| Creates | Lake Sagami |
| Total capacity | 63,200,000 m3 (2.23×109 cu ft) |
| Catchment area | 1,128 km2 (436 sq mi) |
| Surface area | 326 hectares |
The Sagami Dam (相模ダム, Sagami damu) is a multi-purpose dam on the main stream Sagami River in Sagamihara, Kanagawa Prefecture on the island of Honshū, Japan.