Lost Lake
- Avery, Idaho
- Beltrami County
- Big Lost Lake
- Clay County, Arkansas
- Clearwater County, Minnesota
- Jackson, Burnett County, Wisconsin
- Jacksonport, Wisconsin
- List of lakes in Carbon County, Montana
- List of lakes in Chouteau County, Montana
- List of lakes in Flathead County, Montana (A-L)
- List of lakes in Lake County, Montana
- List of lakes in Lincoln County, Montana
- List of lakes in Mineral County, Montana
- List of lakes in Missoula County, Montana
- List of lakes in Stillwater County, Montana
- List of lakes in Sweet Grass County, Montana
- Little Lost Lake
- Long Lost Lake
- Lost Lake (Clare County, Michigan)
- Lost Lake (El Dorado County, California)
- Lost Lake (Groton)
- Lost Lake (Hood River County, Oregon)
- Lost Lake (Minnesota)
- Lost Lake (Oregon)
- Lost Lake (Santiam Pass, Linn County, Oregon)
- Lost Lake (South Dakota)
- Lost Lake (Southern California)
- Lost Lake (Vilas County)
- Lost Lake (Whistler)
- Lost Lake Scout Camp
- Lost Lake Scout Reservation
- Lost Lake, Mississippi
- Lost Lake, Wisconsin
- Lost Land Lake
- Mackenzie, British Columbia
- Mercer, Wisconsin
- Minnesota
- Otter Tail County
- Rusk, Burnett County, Wisconsin
- Sawyer County, Wisconsin
- Sherman, Iron County, Wisconsin
- Webb Lake, Wisconsin