- La Fargeville
- La Salle
- Lackawack
- Lackawanna
- Lacona
- Lacy Corners
- Ladentown
- Ladleton
- Lafarges Landing
- LaFayette
- Lafayette Corners
- Lafayette Morrison Houses
- Lafayetteville
- Lagrange
- Lagrange
- Lagrangeville
- Laidlaw
- Lairdsville
- Lake Bluff
- Lake Bonaparte
- Lake Breeze Mobile Home Park
- Lake Carmel
- Lake Clear
- Lake Colby
- Lake Country Estates
- Lake Country Mobile Manor
- Lake Delaware
- Lake Delta
- Lake Desolation
- Lake Erie Beach