Hart Lake may refer to: Cities, towns, townships etc. Hart Lake Township in Hubbard County, Minnesota Lakes 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 (Parry Sound District), a lake in Parry Sound District, Ontario Hart Lake (Macdonald, Meredith and Aberdeen Additional), a lake in Macdonald, Meredith and Aberdeen Additional, Ontario Hart Lake (Frontenac County), a lake in South Frontenac township, Frontenac County, Ontario Hart Lake (Thunder Bay District), a lake in Thunder Bay District, Ontario Hart Lake (Sudbury District), a lake in Sudbury District, Ontario Hart Lake (Cochrane District), a lake in Cochrane District, Ontario Hart Lake (Haig Township, Algoma District), a lake in Algoma District, Ontario Hart Lake (Muskoka District), a lake in Muskoka District, Ontario