| Bécancour Lake | |
| Coordinates: | 46.0713°N -71.2418°W |
| Outflow: | Bécancour River |
| Basin Countries: | Canada |
| Area: | 0.973km (00.605miles) |
| Pushpin Map: | Quebec |
The Lake Bécancour is a lake located in the municipality of Thetford Mines in the administrative region of Chaudière-Appalaches, in Quebec, in Canada. It is the source of the Bécancour River, which flows through the Centre-du-Québec administrative region and joins the St. Lawrence River.
Its area is approximately 0.973km (00.605miles), its altitude of and its maximum depth is .[1]
The toponym "lac Bécancour" was made official on December 5, 1968, at the Commission de toponymie du Québec.[2]