- Lansdowne
- Larisons Corners
- Larrabees
- Laurel Farms
- Laurel Harbor
- Laurel Park
- Laureldale
- Laurelton
- Laurelton Gardens
- Lawrence
- Lawrence Brook Manor
- Lawrence Corner
- Layton
- Leamings Mill
- Lebanon Lake Estates
- Ledgewood
- Leeds Point
- Leektown
- Leesburg
- Leesville
- Legler
- Leisure Village West-Pine Lake Park
- Lenola
- Leonards
- Leonardville
- Lewisburg
- Lewistown
- Lewisville
- Liberty Corner
- Liberty Square