Places beginning with SU in Pennsylvania, United States
- Sudan
- Suedberg
- Sugarcreek
- Sugarcreek, Borough of
- Sugarcreek, Township of
- Sugarcreek, Township of
- Sugar Grove
- Sugar Grove, Borough of
- Sugar Grove, Township of
- Sugar Grove, Township of
- Sugar Hill
- Sugar Hill
- Sugarloaf, Township of
- Sugarloaf, Township of
- Sugar Notch
- Sugar Notch, Borough of
- Sugar Run
- Sugar Run (historical)
- Sugartown
- Sulger
- Sullivan County
- Sullivan, Township of
- Sulphur Springs
- Sumerson
- Summerdale
- Summerdale (subdivision)
- Summerhill
- Summerhill
- Summer Hill
- Summer Hill (subdivision)
- Summerhill, Township of
- Summerhill, Township of
- Summerville
- Summerville, Borough of
- Summit
- Summit
- Summit Hill
- Summit Hill, Borough of
- Summit Lawn
- Summit Mills
- Summit Station
- Summit, Township of
- Summit, Township of
- Summit, Township of
- Summit, Township of
- Summit, Township of
- Sumneytown
- Sunbrook
- Sunbury
- Sunbury, City of
- Suncliff
- Sundale
- Sunderlinville
- Sundy Place
- Sunflower
- Sunnybrook
- Sunnyburn
- Sunnyland
- Sunny Rest Lodge
- Sunnyside
- Sunnyside
- Sunnyside
- Sunnyside
- Sunnyside
- Sunny Side
- Sunny Side
- Sunol
- Sunrise
- Sunrise Lake
- Sunset
- Sunset Manor
- Sunset Pines
- Sunset Terrace
- Sunset Valley
- Sunset Valley
- Sunshine
- Sun Valley
- Sun Valley
- Sunville
- Superior
- Superior
- Suplee
- Surgeon Hall
- Surveyor
- Suscon
- Susquehanna
- Susquehanna County
- Susquehanna Depot, Borough of
- Susquehanna Heights
- Susquehanna Manor
- Susquehanna, Township of
- Susquehanna, Township of
- Susquehanna, Township of
- Susquehanna, Township of
- Susquehanna Trails
- Sutersville
- Suterville, Borough of
- Sutton
- Sutton Mill
- Sutton Terrace