Towns
| State | City/Town | Town Title |
|---|---|---|
| Pennsylvania | Latrobe | Latrobe, PA |
| Pennsylvania | Lattimer Mines | Lattimer Mines, PA |
| Pennsylvania | Laughlintown | Laughlintown, PA |
| Pennsylvania | Laurelton | Laurelton, PA |
| Pennsylvania | Laurys Station | Laurys Station, PA |
| Pennsylvania | Lavelle | Lavelle, PA |
| Pennsylvania | Lawn | Lawn, PA |
| Pennsylvania | Lawrence | Lawrence, PA |
| Pennsylvania | Lawrenceville | Lawrenceville, PA |
| Pennsylvania | Lawton | Lawton, PA |
| Pennsylvania | Le Raysville | Le Raysville, PA |
| Pennsylvania | Lebanon | Lebanon, PA |
| Pennsylvania | Leck Kill | Leck Kill, PA |
| Pennsylvania | Leckrone | Leckrone, PA |
| Pennsylvania | Lecontes Mills | Lecontes Mills, PA |
| Pennsylvania | Lederach | Lederach, PA |
| Pennsylvania | Leechburg | Leechburg, PA |
| Pennsylvania | Leeper | Leeper, PA |
| Pennsylvania | Leesport | Leesport, PA |
| Pennsylvania | Leetsdale | Leetsdale, PA |
| Pennsylvania | Lehigh Valley | Lehigh Valley, PA |
| Pennsylvania | Lehighton | Lehighton, PA |
| Pennsylvania | Lehman | Lehman, PA |
| Pennsylvania | Leisenring | Leisenring, PA |
| Pennsylvania | Lemasters | Lemasters, PA |