- Linesville
- Linglestown
- Linntown
- Lititz
- Little Meadows
- Littlestown
- Lock Haven
- Locustdale
- Loganton
- Lorane
- Lower Allen
- Lower Burrell
- Lucerne Mines
- Luzerne
- Lykens
- La Anna
- La Belle
- La Bott
- La Grange Island
- La Plume
- La Trappe
- Laboratory
- Laborde
- Lacey Park
- Lackawaxen
- Laddsburg
- Lafayette
- Lafayette
- Lafayette Hill
- Lafayette Park