Hart Lake may refer to:
Cities, towns, townships etc.
editHart Lake Township in Hubbard County, Minnesota
Lakes
edit- Hart Lake, a lake in Faribault County, Minnesota
- Hart Lake (Hubbard County, Minnesota)
- Hart Lake (Swift County, Minnesota)
- Hart Lake (Oregon), a lake in Lake County, Oregon
- Hart Lake (Cumberland), a lake in Cumberland County, Nova Scotia
- Hart Lake (Guysborough), a lake in Guysborough District, Nova Scotia
- Hart Lake, a lake in South Frontenac township, Frontenac County, Ontario