| Koka Reservoir | |
|---|---|
  Koka Reservoir | |
| Location | South central Ethiopia |
| Coordinates | 8°26′N 39°02′E / 8.433°N 39.033°E |
| Type | Reservoir |
| Basin countries | Ethiopia |
| Surface area | 180 km2 (69 sq mi) |
| Surface elevation | 1,595 m (5,233 ft) |
The Koka Reservoir (Amharic: ኮካ ሐይቅ; Oromo: Haroo Qooqaa) is a reservoir in south-central Ethiopia. It was created by the construction of the Koka Dam across the Awash River. The reservoir has an area of 180 square kilometres (69 sq mi).