Wunnummin Lake
| Wunnummin Lake | |
|---|---|
| Location | Ontario, Canada |
| Coordinates | 52°56′06″N 89°09′55″W / 52.935°N 89.1653°W |
| Primary inflows | Pipestone River |
| Primary outflows | Winisk River |
| Basin countries | Canada |
| Surface elevation | 242 m (794 ft) |
Wunnummin Lake is a lake in northwestern Ontario, Canada. It is a remote freshwater lake, located in Kenora District.
The Wunnumin 1 Indian reserve of the Wunnumin Lake First Nation is located in the southwestern part of the lake.