- Lamonaville
- Lamont
- Lamonts Corners
- Lamott
- Lampeter
- Lanark
- Lancaster
- Lancaster Junction
- Lancasterville
- Land Grant Farms
- Landenberg
- Lander
- Landingville
- Landis Store
- Landis Valley
- Landisburg
- Landisville
- Landisville
- Landon Station
- Landrus
- Landstreet
- Lanes Mills
- Lanesboro
- Laneville
- Langdon
- Langdon
- Langdon
- Langdondale
- Langeloth
- Langhorne