| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Du Bois | city | Pennsylvania | United States | 41.11917 | -78.76028 | 1433 | 13836 |
| Dublin | city | Pennsylvania | United States | 40.37167 | -75.20194 | 597 | 23142 |
| Dublin Mills | city | Pennsylvania | United States | 40.12056 | -78.02667 | 994 | 1381 |
| Duboistown | city | Pennsylvania | United States | 41.2225 | -77.03722 | 639 | 44239 |
| Duckrun | city | Pennsylvania | United States | 40.90917 | -80.27056 | 1194 | 17631 |
| Dudley | city | Pennsylvania | United States | 40.20528 | -78.18167 | 1509 | 1953 |
| Duff City | city | Pennsylvania | United States | 40.60139 | -80.12917 | 997 | 20270 |
| Duffield | city | Pennsylvania | United States | 39.88361 | -77.57611 | 849 | 10526 |
| Duffryn Mawr | city | Pennsylvania | United States | 40.03667 | -75.495 | 433 | 45244 |
| Dugan Hill | city | Pennsylvania | United States | 39.8675 | -79.85778 | 997 | 9892 |
| Duke Center | city | Pennsylvania | United States | 41.95222 | -78.48028 | 1650 | 2038 |
| Dumas | city | Pennsylvania | United States | 39.78556 | -79.31944 | 1496 | 1359 |
| Dunbar | city | Pennsylvania | United States | 39.97778 | -79.61472 | 1059 | 17466 |
| Duncan | city | Pennsylvania | United States | 41.65194 | -77.25806 | 1801 | 948 |
| Duncannon | city | Pennsylvania | United States | 40.39806 | -77.02333 | 390 | 6728 |
| Duncansville | city | Pennsylvania | United States | 40.42333 | -78.43417 | 1092 | 22665 |
| Duncott | city | Pennsylvania | United States | 40.71194 | -76.24389 | 898 | 30131 |
| Dundaff | city | Pennsylvania | United States | 41.65389 | -75.55194 | 1722 | 4435 |
| Dundee | city | Pennsylvania | United States | 41.20833 | -75.9725 | 603 | 29552 |
| Dundore | city | Pennsylvania | United States | 40.72861 | -76.85611 | 400 | 4023 |
| Dungarvin | city | Pennsylvania | United States | 40.70889 | -78.08222 | 1184 | 2456 |
| Dunkard | city | Pennsylvania | United States | 39.74111 | -79.975 | 994 | 6673 |
| Dunkelbergers | city | Pennsylvania | United States | 40.76667 | -76.73333 | 980 | 3515 |
| Dunkle | city | Pennsylvania | United States | 40.21306 | -80.41889 | 1190 | 3110 |
| Dunlap | city | Pennsylvania | United States | 40.18861 | -74.86944 | 154 | 123133 |
| Dunlap Creek Village | city | Pennsylvania | United States | 39.96889 | -79.86944 | 1099 | 12447 |
| Dunlevy | city | Pennsylvania | United States | 40.11 | -79.85167 | 836 | 30040 |
| Dunlo | city | Pennsylvania | United States | 40.29444 | -78.72139 | 2329 | 6828 |
| Dunmore | city | Pennsylvania | United States | 41.41972 | -75.63278 | 1023 | 97533 |
| Dunning | city | Pennsylvania | United States | 41.93333 | -76.79889 | 1295 | 1913 |
| Dunningsville | city | Pennsylvania | United States | 40.18556 | -80.08139 | 1197 | 7015 |
| Dunningtown | city | Pennsylvania | United States | 40.42111 | -79.5825 | 1197 | 10497 |
| Dunnstown | city | Pennsylvania | United States | 41.14583 | -77.42167 | 570 | 11500 |
| Dunring | city | Pennsylvania | United States | 41.51 | -78.99778 | 1473 | 554 |
| Dunsfort | city | Pennsylvania | United States | 40.19028 | -80.50028 | 898 | 4699 |
| Dupont | city | Pennsylvania | United States | 41.325 | -75.74583 | 846 | 31503 |
| Duquesne | city | Pennsylvania | United States | 40.38139 | -79.86 | 810 | 175235 |
| Duquesne Heights | city | Pennsylvania | United States | 40.43528 | -80.02028 | 1089 | 249097 |
| Durbin | city | Pennsylvania | United States | 39.91806 | -80.485 | 1161 | 1542 |
| Durell | city | Pennsylvania | United States | 41.72528 | -76.36806 | 836 | 2424 |
| Durham | city | Pennsylvania | United States | 40.57556 | -75.22361 | 344 | 8335 |
| Durham Furnace | city | Pennsylvania | United States | 40.57944 | -75.1975 | 200 | 8841 |
| Durham Hill Farms | city | Pennsylvania | United States | 40.56306 | -75.22889 | 400 | 8335 |
| Durlach | city | Pennsylvania | United States | 40.23139 | -76.23 | 403 | 16840 |
| Durward | city | Pennsylvania | United States | 41.82639 | -78.13778 | 1699 | 709 |
| Duryea | city | Pennsylvania | United States | 41.34389 | -75.73889 | 800 | 49964 |
| Dushore | city | Pennsylvania | United States | 41.52417 | -76.40111 | 1541 | 987 |
| Dutch Corner | city | Pennsylvania | United States | 40.08972 | -78.42806 | 1217 | 2690 |
| Dutch Hill | city | Pennsylvania | United States | 41.23778 | -80.39694 | 1158 | 9878 |
| Dutch Hill | city | Pennsylvania | United States | 40.00639 | -79.97056 | 797 | 9754 |
| Dutch Hill | city | Pennsylvania | United States | 41.065 | -79.63806 | 1263 | 2626 |
| Dutchtown | city | Pennsylvania | United States | 39.89694 | -77.92306 | 682 | 3983 |
| Dutotsburg historical | city | Pennsylvania | United States | 40.98833 | -75.14 | 305 | 23065 |
| Dutton Mill | city | Pennsylvania | United States | 39.98111 | -75.51278 | 400 | 46632 |
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