| Subdivision Type1: | Country |
| Subdivision Name1: | Tanzania |
| Subdivision Type2: | Region |
| Subdivision Name2: | Singida Region |
| Source1 Coordinates: | -4.8167°N 34.0497°W |
| Source1 Elevation: | 1218m (3,996feet) |
| Mouth: | Lake Kitangiri |
The Mwaru River is a river in the Singida Region in Tanzania.[1] The river is part of the Sibiti River basin which enters Lake Kitangiri.