| Lac de Saint-Andéol | |
| Pushpin Map: | France |
| Location: | Lozère |
| Coords: | 44.6186°N 3.0817°W |
| Basin Countries: | France |
| Area: | 0.11km2 |
| Max-Depth: | 30m (100feet) |
| Elevation: | 1225m (4,019feet) |
| Islands: | none |
Lac de Saint-Andéol is a lake in Lozère, France, located on the Aubrac plateau. It has an elevation of 1225 m and its surface area is 0.11 km². It is the most important lake of the plateau and known for its legends, and is of glacial origin like the other lakes in this area (Salhiens, Souveyrols, and Born).