| Lac de Retournemer | |
| Pushpin Map: | France |
| Location: | Xonrupt, Vosges |
| Coords: | 48.0572°N 6.9836°W |
| Type: | glacial |
| Outflow: | Vologne |
| Basin Countries: | France |
| Area: | 0.05km2 |
| Depth: | 11.5m (37.7feet) |
| Elevation: | 776m (2,546feet) |
Lac de Retournemer is a lake in Xonrupt, Vosges, France. At an elevation of 776 m, its surface area is 0.05 km2. It has an area of 5 hectares, or about 12.3 acres.