- Lewis Mills
- Lewis Run
- Lewisberry
- Lewisburg
- Lewistown
- Lewistown
- Lewistown Junction
- Lewisville
- Lewisville
- Lexington
- Lexington Court
- Lexington Farms
- Lexington Leas
- Lexington Park
- Lexton Woods
- Liberty
- Liberty
- Liberty
- Library
- Library Junction
- Lickdale
- Lickingville
- Liebys Trailer Park
- Liewellyn Corners
- Light Street
- Lightners Tract
- Ligonier
- Lilly
- Lillyville
- Lima