- Ledbetters
- Lee
- Lee Crossroads
- Lees Park
- Leesdale
- Leggtown
- Lehigh
- Lenhart Island
- Lennon Hill
- Lenox
- Lentzville
- Leon
- Leonard
- Leroy
- Letcher
- Letchers
- Letohatchee
- Letson Settlement
- Level Green Mobile Home Park
- Levert
- Lewis
- Lewis
- Lewisburg
- Lewiston
- Lexington Downs
- Leydens Mill
- Liberty
- Liberty
- Liberty
- Liberty