- Lesterville
- Letchworth
- Letona
- Levesque
- Levy
- Lewis
- Lewis
- Lewisburg
- Lewisville
- Lexa
- Lexa Junction
- Liberty
- Liberty
- Liberty
- Liberty
- Liberty Valley
- Lick Branch
- Lick Mountain
- Light
- Lignite
- Limedale
- Limedale Junction
- Limestone
- Lincoln
- Lincoln Terrace
- Linden Island
- Linder
- Linder Island
- Lindsey
- Lindulake Addition