Towns
| State | City/Town | Town Title |
|---|---|---|
| Pennsylvania | Manorville | Manorville, PA |
| Pennsylvania | Mansfield | Mansfield, PA |
| Pennsylvania | Mapleton Depot | Mapleton Depot, PA |
| Pennsylvania | Mar Lin | Mar Lin, PA |
| Pennsylvania | Marble | Marble, PA |
| Pennsylvania | Marchand | Marchand, PA |
| Pennsylvania | Marcus Hook | Marcus Hook, PA |
| Pennsylvania | Marianna | Marianna, PA |
| Pennsylvania | Marienville | Marienville, PA |
| Pennsylvania | Marietta | Marietta, PA |
| Pennsylvania | Marion | Marion, PA |
| Pennsylvania | Marion Center | Marion Center, PA |
| Pennsylvania | Marion Heights | Marion Heights, PA |
| Pennsylvania | Markleton | Markleton, PA |
| Pennsylvania | Markleysburg | Markleysburg, PA |
| Pennsylvania | Mars | Mars, PA |
| Pennsylvania | Marshalls Creek | Marshalls Creek, PA |
| Pennsylvania | Marsteller | Marsteller, PA |
| Pennsylvania | Martin | Martin, PA |
| Pennsylvania | Martindale | Martindale, PA |
| Pennsylvania | Martins Creek | Martins Creek, PA |
| Pennsylvania | Martinsburg | Martinsburg, PA |
| Pennsylvania | Mary D | Mary D, PA |
| Pennsylvania | Marysville | Marysville, PA |
| Pennsylvania | Masontown | Masontown, PA |