| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Suburban Village | city | Pennsylvania | United States | 39.98 | -75.58 | 396 | |
| Sudan | city | Pennsylvania | United States | 40.16 | -79.97 | 1062 | |
| Suedberg | city | Pennsylvania | United States | 40.53 | -76.47 | 830 | |
| Sugar Grove | city | Pennsylvania | United States | 41.98 | -79.34 | 1669 | |
| Sugar Hill | city | Pennsylvania | United States | 40.15 | -80.31 | 1669 | |
| Sugar Hill | city | Pennsylvania | United States | 41.24 | -78.88 | 1699 | |
| Sugar Hill Farms | city | Pennsylvania | United States | 40.19 | -75.47 | 206 | |
| Sugar Notch | city | Pennsylvania | United States | 41.20 | -75.93 | 915 | |
| Sugar Run | city | Pennsylvania | United States | 41.64 | -76.24 | 830 | |
| Sugar Run (historical) | city | Pennsylvania | United States | 41.90 | -78.94 | 1669 | |
| Sugarcreek | city | Pennsylvania | United States | 41.42 | -79.88 | 997 | |
| Sugartown | city | Pennsylvania | United States | 40.00 | -75.51 | 830 | |
| Sugarvalley | city | Pennsylvania | United States | 40.21 | -75.32 | 298 | |
| Sulger (historical) | city | Pennsylvania | United States | 41.17 | -78.98 | 1669 | |
| Sulphur Springs | city | Pennsylvania | United States | 39.96 | -78.61 | 1669 | |
| Sumerson | city | Pennsylvania | United States | 41.33 | -78.33 | 1099 | |
| Summer Chase | city | Pennsylvania | United States | 40.24 | -75.53 | 298 | |
| Summer Hill | city | Pennsylvania | United States | 41.09 | -76.25 | 1010 | |
| Summer Hill | city | Pennsylvania | United States | 40.49 | -80.01 | 1164 | |
| Summerdale | city | Pennsylvania | United States | 40.31 | -76.93 | 298 | |
| Summerdale | city | Pennsylvania | United States | 40.03 | -75.09 | 91 | |
| Summerhill | city | Pennsylvania | United States | 40.38 | -78.76 | 1827 | |
| Summerhill | city | Pennsylvania | United States | 39.77 | -76.07 | 347 | |
| Summerville | city | Pennsylvania | United States | 41.12 | -79.19 | 1669 | |
| Summerwind | city | Pennsylvania | United States | 40.27 | -75.36 | 226 | |
| Summit | city | Pennsylvania | United States | 40.46 | -78.57 | 2509 | |
| Summit | city | Pennsylvania | United States | 41.94 | -78.53 | 2037 | |
| Summit Hill | city | Pennsylvania | United States | 40.82 | -75.87 | 1669 | |
| Summit Lawn | city | Pennsylvania | United States | 40.56 | -75.43 | 403 | |
| Summit Mills | city | Pennsylvania | United States | 39.81 | -79.08 | 2509 | |
| Summit Station | city | Pennsylvania | United States | 40.56 | -76.20 | 830 | |
| Summit View | city | Pennsylvania | United States | 40.37 | -76.18 | 400 | |
| Summits Edge | city | Pennsylvania | United States | 39.89 | -75.30 | 42 | |
| Sumneytown | city | Pennsylvania | United States | 40.33 | -75.45 | 390 | |
| Sun Valley | city | Pennsylvania | United States | 40.98 | -75.47 | 1115 | |
| Sun Valley | city | Pennsylvania | United States | 41.01 | -75.47 | 1689 | |
| Sun Valley Mobile Home Park | city | Pennsylvania | United States | 40.42 | -76.28 | 830 | |
| Sunbrook | city | Pennsylvania | United States | 40.43 | -78.43 | 1020 | |
| Sunbury | city | Pennsylvania | United States | 40.86 | -76.79 | 830 | |
| Suncliff | city | Pennsylvania | United States | 40.56 | -79.01 | 1669 | |
| Sundale | city | Pennsylvania | United States | 40.48 | -75.11 | 246 | |
| Sunderlinville | city | Pennsylvania | United States | 41.83 | -77.64 | 1755 | |
| Sundy Place | city | Pennsylvania | United States | 40.28 | -77.46 | 1053 | |
| Sunflower | city | Pennsylvania | United States | 40.73 | -80.24 | 1197 | |
| Sunny Ayr Estates | city | Pennsylvania | United States | 40.22 | -75.34 | 265 | |
| Sunny Brook Estates | city | Pennsylvania | United States | 40.18 | -75.31 | 298 | |
| Sunny Rest Lodge | city | Pennsylvania | United States | 40.82 | -75.65 | 918 | |
| Sunny Side | city | Pennsylvania | United States | 40.14 | -78.29 | 954 | |
| Sunny Side | city | Pennsylvania | United States | 40.20 | -79.88 | 830 | |
| Sunnybrook | city | Pennsylvania | United States | 40.11 | -75.20 | 200 | |
| Sunnyburn | city | Pennsylvania | United States | 39.81 | -76.37 | 830 | |
| Sunnyland | city | Pennsylvania | United States | 40.20 | -77.01 | 830 | |
| Sunnyside | city | Pennsylvania | United States | 40.81 | -79.47 | 1023 | |
| Sunnyside | city | Pennsylvania | United States | 40.82 | -76.58 | 1669 | |
| Sunnyside | city | Pennsylvania | United States | 40.97 | -80.41 | 1020 | |
| Sunnyside | city | Pennsylvania | United States | 40.03 | -76.28 | 298 | |
| Sunnyside | city | Pennsylvania | United States | 41.95 | -78.19 | 1669 | |
| Sunnyside Farms | city | Pennsylvania | United States | 40.15 | -75.40 | 298 | |
| Sunol | city | Pennsylvania | United States | 41.47 | -80.15 | 1669 | |
| Sunrise | city | Pennsylvania | United States | 40.97 | -79.17 | 1669 | |
| Sunrise | city | Pennsylvania | United States | 40.29 | -75.86 | 200 | |
| Sunrise Lake | city | Pennsylvania | United States | 41.31 | -74.97 | 1669 | |
| Sunset | city | Pennsylvania | United States | 40.36 | -76.42 | 830 | |
| Sunset Manor | city | Pennsylvania | United States | 40.34 | -76.82 | 830 | |
| Sunset Manor | city | Pennsylvania | United States | 40.28 | -75.83 | 200 | |
| Sunset Pines | city | Pennsylvania | United States | 41.15 | -77.47 | 830 | |
| Sunset Terrace | city | Pennsylvania | United States | 39.91 | -76.66 | 830 | |
| Sunset Valley | city | Pennsylvania | United States | 40.31 | -79.74 | 1105 | |
| Sunset Valley | city | Pennsylvania | United States | 41.07 | -80.31 | 1033 | |
| Sunshine | city | Pennsylvania | United States | 39.82 | -79.92 | 885 | |
| Sunshine | city | Pennsylvania | United States | 40.29 | -75.85 | 200 | |
| Sunville | city | Pennsylvania | United States | 41.55 | -79.83 | 1669 | |
| Sunwood Farm | city | Pennsylvania | United States | 40.10 | -75.48 | 200 | |
| Superior | city | Pennsylvania | United States | 39.99 | -79.89 | 1095 | |
| Superior | city | Pennsylvania | United States | 40.36 | -79.34 | 1099 | |
| Suplee | city | Pennsylvania | United States | 40.10 | -75.88 | 830 | |
| Surgeon Hall | city | Pennsylvania | United States | 40.35 | -79.97 | 1187 | |
| Surveyor | city | Pennsylvania | United States | 41.07 | -78.33 | 1669 | |
| Suscon | city | Pennsylvania | United States | 41.30 | -75.72 | 1669 | |
| Susquehanna | city | Pennsylvania | United States | 41.94 | -75.60 | 1026 | |
| Susquehanna Heights | city | Pennsylvania | United States | 39.90 | -76.73 | 830 | |
| Susquehanna Manor | city | Pennsylvania | United States | 40.29 | -76.85 | 830 | |
| Susquehanna Trails | city | Pennsylvania | United States | 39.76 | -76.37 | 357 | |
| Sussex Square | city | Pennsylvania | United States | 40.11 | -75.29 | 180 | |
| Sutersville | city | Pennsylvania | United States | 40.24 | -79.80 | 830 | |
| Sutton | city | Pennsylvania | United States | 41.15 | -79.22 | 1669 | |
| Sutton Mill | city | Pennsylvania | United States | 41.19 | -79.78 | 1669 | |
| Sutton Terrace | city | Pennsylvania | United States | 40.01 | -75.22 | 219 |