Pennsylvania cities starting with L
- Lake Ariel, PA 7
- Lancaster, PA 82
- Lancaster, PA 106
- Landisburg, PA 6
- Landisville, PA 7
- Langhorne, PA 17
- Lansdale, PA 40
- Lansdowne, PA 19
- Lansford, PA 7
- Latrobe, PA 28
- Lebanon, PA 94
- Leechburg, PA 12
- Leesport, PA 11
- Lehighton, PA 22
- Leola, PA 11
- Levittown, PA 34
- Lewisberry, PA 6
- Lewisburg, PA 28
- Lewistown, PA 44
- Liberty, PA 7
- Ligonier, PA 20
- Limerick, PA 6
- Linden, PA 7
- Linesville, PA 7
- Linwood, PA 6
- Lititz, PA 40
- Littlestown, PA 15
- Liverpool, PA 7
- Lock Haven, PA 25
- Loganton, PA 8
- Lower Burrell, PA 10
- Luzerne, PA 5
- Lykens, PA 9
- Lyndora, PA 6