L
- Laceyville
- Laflin
- Lake City
- Landingville
- Landisburg
- Lanesboro
- Langhorne
- Langhorne Manor
- Lansdale
- Lansdowne
- Lansford
- Laporte
- Larksville
- Laureldale
- Laurel Mountain
- Laurel Run
- Lawrenceville
- Leechburg
- Leesport
- Leetsdale
- Lehighton
- Lemoyne
- Lenhartsville
- Le Raysville
- Lewisberry
- Lewisburg
- Lewis Run
- Lewistown
- Liberty
- Ligonier
- Lilly
- Lincoln
- Linesville
- Lititz
- Little Meadows
- Littlestown
- Liverpool
- Loganton
- Loganville
- Long Branch
- Lorain
- Loretto
- Lumber City
- Luzerne
- Lykens
- Lyons
Read more about this topic: List Of Towns And Boroughs In Pennsylvania