| Lac d'Apremont | |
| Pushpin Map: | France Pays de la Loire |
| Location: | Vendée |
| Coords: | 46.7489°N -1.7144°W |
| Type: | reservoir |
| Inflow: | Vie, Petite Boulogne |
| Outflow: | Vie |
| Catchment: | 276km2 |
| Basin Countries: | France |
| Length: | 8km (05miles) |
| Width: | 400m (1,300feet) |
| Area: | 1.67km2 |
| Volume: | 3.8e6m3 |
| Cities: | Apremont, Aizenay |
Lac d'Apremont (or Lac de Retenue de Barrage d'Apremont) is a reservoir in Vendée, France. The reservoir is formed by a gravity dam at Apremont, built in 1966: barrage d'Apremont.