The Beaver River is a river in the far north of Kenora District in Northwestern Ontario, Canada. It is part of the Hudson Bay drainage basin, and is a left tributary of the Severn River.

Course

The river begins at an unnamed lake and first heads southeast, then northeast, and reaches its mouth at the Severn River, about 25 kilometres (16 mi) southwest of that river's mouth at Hudson Bay near the First Nations community of Fort Severn.