| Kromfontein Middle Cofferdam | |
| Name Official: | Kromfontein Middle Cofferdam |
| Dam Crosses: | Steenkool Spruit |
| Res Name: | Kromfontein Middle Reservoir |
| Location: | Mpumalanga, South Africa |
| Operator: | Department of Water Affairs and Forestry |
| Dam Length: | 610 m |
| Dam Height: | 14 m |
| Dam Type: | earthfill |
| Opening: | 1990 |
| Res Capacity Total: | 18 000 000 m³ |
| Res Surface: | 40 ha |
| Coordinates: | -26.1167°N 29.25°W |
Kromfontein Middle Cofferdam is an earthfill type dam located on the Steenkool Spruit, near Witbank, Mpumalanga, South Africa. It was established in 1990 and serves primarily for flood storage (retention) and river diversion. The hazard potential of the dam has been ranked significant (2).