| Xilinxa Dam | |
| Name Official: | Xilinxa Dam |
| Dam Crosses: | Xilinxa River |
| Res Name: | Xilinxa Dam Reservoir |
| Location: | Idutywa, Eastern Cape |
| Country: | South Africa |
| Owner: | Department of Water Affairs |
| Dam Type: | F |
| Coordinates: | -32.1299°N 28.0802°W |
Xilinxa Dam is a dam on the Xilinxa River, lying between Nqamakwe and Idutywa in the Eastern Cape, South Africa.