| Lac de Matemale | |
| Location: | Pyrénées-Orientales |
| Coords: | 42.5697°N 2.1004°W |
| Type: | reservoir |
| Inflow: | Aude |
| Outflow: | Aude |
| Pushpin Map: | Pyrenees |
| Basin Countries: | France |
| Length: | 2.15km (01.34miles) |
| Width: | 1.27km (00.79miles) |
| Area: | 2.23km2 |
| Max-Depth: | 37m (121feet) |
| Volume: | 20500000m2 |
| Elevation: | 1541m (5,056feet) |
Lac de Matemale is an artificial lake in the commune of Matemale in the Pyrénées-Orientales, France. At an elevation of 1541 m, its surface area is 2.23 km2.