Cities in Commonwealth of Pennsylvania, United States ( 562 )
- Springfield, Pennsylvania
- Spry, Pennsylvania
- State College, Pennsylvania
- State Line, Pennsylvania
- Steelton
- Stowe, Pennsylvania
- Strasburg, Pennsylvania
- Stroudsburg
- Sugarcreek, Pennsylvania
- Summit Hill
- Sunbury, Pennsylvania
- Swarthmore, Pennsylvania
- Swissvale
- Swoyersville
- Tamaqua
- Tannersville, Pennsylvania
- Tarentum, Pennsylvania
- Taylor, Pennsylvania
- Telford, Pennsylvania
- Thompsonville, Pennsylvania
- Thorndale, Pennsylvania
- Throop, Pennsylvania
- Tinicum, Pennsylvania
- Titusville, Pennsylvania
- Towanda, Pennsylvania
- Trafford, Pennsylvania
- Trappe, Pennsylvania
- Treasure Lake
- Trevose
- Trooper, Pennsylvania
- Turtle Creek, Pennsylvania
- Tyrone, Pennsylvania
- Union City, Pennsylvania
- Uniontown, Pennsylvania
- Upland, Pennsylvania
- Upland, Pennsylvania