| Lac de Flaine | |
| Pushpin Map: | France |
| Location: | Flaine, Haute-Savoie |
| Outflow: | subterranean |
| Basin Countries: | France |
| Area: | 12ha |
| Max-Depth: | 10.5m (34.4feet) |
| Elevation: | 1417m (4,649feet) |
Lac de Flaine is a lake at Flaine in Haute-Savoie, France. Its surface and depth vary seasonly. Maximum depth can reach 10.5 m in May and only 0.75 m in winter, while the surface area varies from 12 ha to 1.5 ha.