| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Tweedale | city | Pennsylvania | United States | 39.79 | -76.03 | 396 | |
| Twenty Row | city | Pennsylvania | United States | 40.54 | -78.79 | 2509 | |
| Twilight | city | Pennsylvania | United States | 40.11 | -79.89 | 984 | |
| Twin Bridge Farm | city | Pennsylvania | United States | 39.96 | -75.56 | 328 | |
| Twin Bridges | city | Pennsylvania | United States | 40.13 | -79.93 | 898 | |
| Twin Churchs | city | Pennsylvania | United States | 41.36 | -79.84 | 1669 | |
| Twin Creeks at Mendenhall | city | Pennsylvania | United States | 39.89 | -75.51 | 285 | |
| Twin Grove Park | city | Pennsylvania | United States | 40.51 | -76.51 | 830 | |
| Twin Hollows | city | Pennsylvania | United States | 41.17 | -77.97 | 1669 | |
| Twin Lakes | city | Pennsylvania | United States | 41.39 | -74.90 | 1669 | |
| Twin Lakes | city | Pennsylvania | United States | 40.28 | -76.81 | 830 | |
| Twin Lakes Park | city | Pennsylvania | United States | 40.28 | -76.80 | 830 | |
| Twin Oaks | city | Pennsylvania | United States | 39.84 | -75.42 | 91 | |
| Twin Oaks | city | Pennsylvania | United States | 41.34 | -79.68 | 1669 | |
| Twin Rocks | city | Pennsylvania | United States | 40.50 | -78.87 | 1728 | |
| Twin Turns Farm | city | Pennsylvania | United States | 39.87 | -75.62 | 200 | |
| Two Lick | city | Pennsylvania | United States | 40.57 | -79.16 | 1095 | |
| Two Taverns | city | Pennsylvania | United States | 39.78 | -77.17 | 830 | |
| Twomile | city | Pennsylvania | United States | 41.83 | -78.30 | 1669 |