Rushforth Lake is a lake in the Hayes River drainage basin in Census Division No. 22 - Thompson-North Central, Northern Region, Manitoba, Canada. The lake is about long and wide and lies at an elevation of . The primary inflow and outflow is the Bolton River, whose waters eventually flow into Gods Lake, and via the Gods River and the Hayes River into Hudson Bay. The lake is named for Flying Officer William John Henry Rushforth of the Royal Canadian Air Force, who was born and raised in Eriksdale, Manitoba. Officer Rushforth's plane was shot down over France in 1944.