| Smartt Dam | |
| Name Official: | Smartt Dam |
| Dam Crosses: | Ongers River |
| Res Name: | Smartt Dam Reservoir |
| Location: | Northern Cape, South Africa |
| Operator: | Smartt Irrigation Board |
| Dam Type: | earth-fill |
| Opening: | 1963 |
| Coordinates: | -30.6292°N 23.3044°W |
Smartt Dam is an earth-fill type dam located on the Ongers River near Britstown, Northern Cape, South Africa. It was established in 1963 and serves mainly for irrigation purposes. The hazard potential of the dam has been ranked high (3).