Mountain Lake may refer to a location in North America:
Canada Mountain Lake (Nova Scotia), in Halifax Regional Municipality Mountain Lake (Ontario), several lakes Mountain Lake (mine), a prospective uranium mine in the Northwest Territories
United States Mountain Lake, Florida, a private community Mountain Lake (Georgia), a lake near Georgia State Route 34 Mountain Lake (Minnesota–Ontario), a lake on the Canada–US border. Mountain Lake, Minnesota, a city in Cottonwood County Mountain Lake Township, Cottonwood County, Minnesota Mountain Lake, New Jersey, a community Mountain Lake (New York), a lake in southern Adirondack Park in upstate New York Mountain Lake (Delaware County, New York), a lake Mountain Lake (San Francisco), a lake Mountain Lake (Virginia), a lake where the exteriors for the 1987 movie Dirty Dancing were filmed
See also Lake Mountain (Victoria), Victoria, Australia Lake Mountains, Utah, United States Mountain Lake PBS, branding for WCFE-TV Mountain Lakes, New Hampshire Mountain Lakes, New Jersey Mountain Lakes station, a railway station in New Jersey Alpine lake