| Westoe Dam | |
| Name Official: | Westoe Dam |
| Dam Crosses: | Usutu River |
| Res Name: | Westoe Dam Reservoir |
| Location: | Mpumalanga, South Africa |
| Operator: | Department of Water Affairs and Forestry |
| Dam Type: | concrete-gravity |
| Opening: | 1968 (renovated: 1973) |
| Res Catchment: | 533 km2 |
| Coordinates: | -26.5042°N 30.6181°W |
Westoe Dam is a concrete-gravity type dam located on the Usutu River near Amsterdam, Mpumalanga, South Africa. It was established in 1968 and has been renovated in 1973. The dam serves mainly for municipal and industrial water supply and its hazard potential has been ranked high (3).