- Long Beach
- Long Island
- Long Island
- Long Island
- Long Lake
- Long Point
- Long Prairie
- Longville
- Longworth
- Lonsdale
- Lookums Island
- Loon Island
- Loretto
- Lorne
- Lost Girl Island
- Louisburg
- Louriston
- Lovers Island
- Low Island
- Lowry
- Lowville
- Lucan
- Luce
- Lucille Island
- Lucknow
- Luna
- Lutsen
- Lutsen Mobile Home Park
- Luverne
- Luxemburg