Loon Lake
- Alan Hovhaness
- Bonaparte Indian Band
- Carroll County, New Hampshire
- Jackson County, Minnesota
- List of lakes in Indiana
- List of lakes in Lake County, Montana
- List of lakes in Missoula County, Montana
- List of provincial parks of Thompson-Nicola Regional District
- Loon Lake (California)
- Loon Lake (Cass County, Minnesota)
- Loon Lake (Cook County, Minnesota)
- Loon Lake (Gogebic County, Michigan)
- Loon Lake (Lake County, Illinois)
- Loon Lake (Nova Scotia)
- Loon Lake (Oregon)
- Loon Lake (Steuben County, New York)
- Loon Lake (Vancouver Island)
- Loon Lake (Warren County, New York)
- Loon Lake (Washington)
- Loon Lake (Waterford Township, Michigan)
- Loon Lake (band)
- Loon Lake (novel)
- Loon Lake Township, Cass County, Minnesota
- Loon Lake, Alberta
- Loon Lake, British Columbia
- Loon Lake, Illinois
- Loon Lake, New York
- Loon Lake, Nova Scotia
- Loon Lake, Saskatchewan
- Loon Lake, Washington
- Rural Municipality of Loon Lake No. 561
- Silver Springs State Fish and Wildlife Area
- Waseca County, Minnesota