- Luciusboro
- Lanes Mills
- Langville
- Little Roundtop
- Locust Run
- Loschs
- Lawrenceville
- Lehigh
- Lancaster Junction
- Landis Valley
- Landisville
- Laurel Hill
- Leacock
- Leaman Place
- Leola
- Letort
- Lexington
- Lime Valley
- Limerock
- Limeville
- Lincoln
- Linville Circle
- Little Britain
- Little Chestnut Island
- Locust Grove
- Lower Bear Island
- Lyndon
- Lawrence Junction
- Laceyville
- Laflin