- Lakewood
- Lamar
- Lamartine
- Lambert
- Lamberton
- Lamberton
- Lambertsville
- Lambings
- Lambs Creek
- Lamonaville
- Lamont
- Lamonts Corners
- Lamott
- Lampeter
- Lanark
- Lancaster Junction
- Lancasterville
- Land Grant Farms
- Landenberg
- Lander
- Landis Store
- Landis Valley
- Landisville
- Landisville
- Landon Station
- Landrus
- Landstreet
- Lanes Mills
- Laneville
- Langdon