| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Liberty | city | Pennsylvania | United States | 40.32528 | -79.85639 | 938 | 80849 |
| Liberty | city | Pennsylvania | United States | 40.0425 | -79.66083 | 1145 | 15301 |
| Liberty | city | Pennsylvania | United States | 41.70917 | -78.21639 | 1722 | 1353 |
| Liberty | city | Pennsylvania | United States | 41.55833 | -77.105 | 1627 | 557 |
| Library | city | Pennsylvania | United States | 40.28972 | -80.01 | 997 | 46484 |
| Library Junction | city | Pennsylvania | United States | 40.2875 | -80.05444 | 1197 | 46144 |
| Lickdale | city | Pennsylvania | United States | 40.45 | -76.51222 | 498 | 5088 |
| Lickingville | city | Pennsylvania | United States | 41.37778 | -79.36861 | 1558 | 1937 |
| Liebys Trailer Park | city | Pennsylvania | United States | 40.22889 | -77.10333 | 482 | 11516 |
| Liewellyn Corners | city | Pennsylvania | United States | 41.23306 | -75.80139 | 1601 | 27991 |
| Light Street | city | Pennsylvania | United States | 41.03611 | -76.42389 | 597 | 20003 |
| Lightners Tract | city | Pennsylvania | United States | 39.98778 | -76.73806 | 400 | 88197 |
| Ligonier | city | Pennsylvania | United States | 40.24306 | -79.23778 | 1197 | 5115 |
| Lilly | city | Pennsylvania | United States | 40.42583 | -78.62028 | 2011 | 9567 |
| Lillyville | city | Pennsylvania | United States | 40.84417 | -80.23667 | 1099 | 15943 |
| Lima | city | Pennsylvania | United States | 39.91722 | -75.44083 | 298 | 48312 |
| Lime Bluff | city | Pennsylvania | United States | 41.22944 | -76.76083 | 580 | 7841 |
| Lime Ridge | city | Pennsylvania | United States | 41.02778 | -76.33972 | 498 | 8978 |
| Lime Ridge | city | Pennsylvania | United States | 40.63806 | -75.28861 | 324 | 47283 |
| Lime Valley | city | Pennsylvania | United States | 39.96306 | -76.23028 | 298 | 24179 |
| Limehill | city | Pennsylvania | United States | 41.72472 | -76.28556 | 1282 | 1997 |
| Limekiln Acres | city | Pennsylvania | United States | 40.17667 | -76.95 | 400 | 47054 |
| Limeport | city | Pennsylvania | United States | 40.50889 | -75.4475 | 593 | 31872 |
| Limerick | city | Pennsylvania | United States | 40.23083 | -75.5225 | 298 | 27637 |
| Limerick Center | city | Pennsylvania | United States | 40.23639 | -75.53667 | 298 | 27637 |
| Limerock | city | Pennsylvania | United States | 40.15889 | -76.34083 | 400 | 34397 |
| Limestone | city | Pennsylvania | United States | 41.12861 | -79.32722 | 1397 | 3056 |
| Limestoneville | city | Pennsylvania | United States | 41.03917 | -76.74806 | 593 | 3676 |
| Limeville | city | Pennsylvania | United States | 40.00194 | -75.98056 | 656 | 10768 |
| Lincoln | city | Pennsylvania | United States | 40.31889 | -79.855 | 1000 | 80849 |
| Lincoln | city | Pennsylvania | United States | 40.19639 | -76.20139 | 396 | 32784 |
| Lincoln Falls | city | Pennsylvania | United States | 41.51694 | -76.66278 | 1095 | 456 |
| Lincoln Heights | city | Pennsylvania | United States | 40.30722 | -79.61722 | 1236 | 49852 |
| Lincoln Hill | city | Pennsylvania | United States | 40.15361 | -80.29278 | 1197 | 15712 |
| Lincoln Park | city | Pennsylvania | United States | 40.46194 | -79.88333 | 1007 | 204154 |
| Lincoln Park | city | Pennsylvania | United States | 40.31472 | -75.98583 | 298 | 92742 |
| Lincoln Park subdivision | city | Pennsylvania | United States | 40.64167 | -75.35944 | 400 | 88390 |
| Lincoln Place subdivision | city | Pennsylvania | United States | 40.36778 | -79.9175 | 1102 | 115758 |
| Lincoln Terrace | city | Pennsylvania | United States | 40.69167 | -75.25667 | 298 | 65509 |
| Lincoln-Lemington subdivision | city | Pennsylvania | United States | 40.47722 | -79.88972 | 1171 | 204154 |
| Lincolnville | city | Pennsylvania | United States | 41.79361 | -79.83833 | 1397 | 2019 |
| Linconia | city | Pennsylvania | United States | 40.12556 | -74.98278 | 101 | 138778 |
| Lindaville | city | Pennsylvania | United States | 41.72778 | -75.81472 | 1272 | 2156 |
| Lindberg Heights | city | Pennsylvania | United States | 40.22833 | -75.53167 | 298 | 27637 |
| Lindbergh | city | Pennsylvania | United States | 41.11056 | -75.94417 | 1302 | 7901 |
| Linden | city | Pennsylvania | United States | 40.22806 | -80.14111 | 997 | 19311 |
| Linden | city | Pennsylvania | United States | 41.23083 | -77.13972 | 600 | 8039 |
| Linden Grove | city | Pennsylvania | United States | 40.36722 | -80.01528 | 1174 | 181095 |
| Linden Hall | city | Pennsylvania | United States | 40.79694 | -77.76111 | 1197 | 9390 |
| Linds Crossing | city | Pennsylvania | United States | 40.44194 | -78.32194 | 905 | 6424 |
| Line Lexington | city | Pennsylvania | United States | 40.28917 | -75.26139 | 301 | 73393 |
| Line Mountain | city | Pennsylvania | United States | 40.7125 | -76.5575 | 800 | 15782 |
| Linesville | city | Pennsylvania | United States | 41.65611 | -80.42417 | 1030 | 2595 |
| Linfield | city | Pennsylvania | United States | 40.21 | -75.57028 | 101 | 29842 |
| Linglestown | city | Pennsylvania | United States | 40.33389 | -76.78944 | 498 | 29039 |
| Linhart | city | Pennsylvania | United States | 40.4225 | -79.81472 | 810 | 119052 |
| Linn | city | Pennsylvania | United States | 40.02611 | -79.85722 | 948 | 15091 |
| Linntown | city | Pennsylvania | United States | 40.95889 | -76.89944 | 498 | 19854 |
| Linville Circle | city | Pennsylvania | United States | 40.03056 | -76.26528 | 347 | 89311 |
| Linwood | city | Pennsylvania | United States | 39.82639 | -75.42583 | 36 | 90492 |
| Lionville | city | Pennsylvania | United States | 40.05361 | -75.66028 | 593 | 32823 |
| Lippincott | city | Pennsylvania | United States | 39.93889 | -80.11917 | 997 | 4075 |
| Lisbon | city | Pennsylvania | United States | 41.19722 | -79.79444 | 1223 | 1796 |
| Lisburn | city | Pennsylvania | United States | 40.16778 | -76.91056 | 400 | 45818 |
| Listie | city | Pennsylvania | United States | 40.02806 | -79.01361 | 2142 | 9008 |
| Listonburg | city | Pennsylvania | United States | 39.75472 | -79.31444 | 1794 | 1359 |
| Litchfield | city | Pennsylvania | United States | 41.9675 | -76.43056 | 1433 | 2571 |
| Lithia Springs | city | Pennsylvania | United States | 40.92083 | -76.76361 | 492 | 8412 |
| Lititz | city | Pennsylvania | United States | 40.15722 | -76.30722 | 400 | 35411 |
| Little Britain | city | Pennsylvania | United States | 39.77889 | -76.11694 | 446 | 5645 |
| Little Chapel | city | Pennsylvania | United States | 41.41889 | -75.36944 | 1397 | 4765 |
| Little Chicago | city | Pennsylvania | United States | 39.86 | -79.96083 | 997 | 7270 |
| Little Cooley | city | Pennsylvania | United States | 41.74056 | -79.89417 | 1207 | 1905 |
| Little Elk | city | Pennsylvania | United States | 41.96389 | -80.28833 | 898 | 8935 |
| Little Gap | city | Pennsylvania | United States | 40.83278 | -75.52278 | 554 | 9492 |
| Little Germany | city | Pennsylvania | United States | 40.38389 | -77.26528 | 816 | 3361 |
| Little Hickory | city | Pennsylvania | United States | 41.54083 | -79.39778 | 1574 | 565 |
| Little Hollywood Mobile Home Park | city | Pennsylvania | United States | 40.23333 | -76.7725 | 452 | 44373 |
| Little Hope | city | Pennsylvania | United States | 42.09889 | -79.81917 | 1417 | 3192 |
| Little Italy | city | Pennsylvania | United States | 40.26806 | -75.02417 | 229 | 20187 |
| Little Jack Corners | city | Pennsylvania | United States | 40.15778 | -78.35639 | 1118 | 2576 |
| Little Kansas | city | Pennsylvania | United States | 40.48778 | -77.81111 | 1013 | 2762 |
| Little Marsh | city | Pennsylvania | United States | 41.87667 | -77.40167 | 1538 | 1500 |
| Little Meadows | city | Pennsylvania | United States | 41.99056 | -76.13111 | 1095 | 3285 |
| Little Oley | city | Pennsylvania | United States | 40.31278 | -75.65361 | 479 | 38344 |
| Little Roundtop | city | Pennsylvania | United States | 40.65222 | -77.3575 | 938 | 3598 |
| Little Summit | city | Pennsylvania | United States | 40.11722 | -80.11139 | 1230 | 5016 |
| Little Summit | city | Pennsylvania | United States | 39.98972 | -79.6725 | 1197 | 9874 |
| Little Summit | city | Pennsylvania | United States | 41.09917 | -75.41306 | 1899 | 5398 |
| Little Washington | city | Pennsylvania | United States | 40.04806 | -75.78528 | 508 | 21108 |
| Littles Corners | city | Pennsylvania | United States | 41.71306 | -80.23222 | 1099 | 3424 |
| Littlestown | city | Pennsylvania | United States | 39.74444 | -77.08833 | 613 | 9723 |
| Littletown | city | Pennsylvania | United States | 40.52028 | -79.02611 | 1797 | 2748 |
| Litzenberg | city | Pennsylvania | United States | 40.58917 | -75.59722 | 495 | 24457 |
| Live Easy | city | Pennsylvania | United States | 39.86306 | -79.93722 | 800 | 10154 |
| Livermore | city | Pennsylvania | United States | 40.46167 | -79.33333 | 902 | 5729 |
| Liverpool | city | Pennsylvania | United States | 40.57472 | -76.98944 | 400 | 6551 |
| Livonia | city | Pennsylvania | United States | 40.98056 | -77.29194 | 1545 | 1432 |
| Lizard Creek Junction | city | Pennsylvania | United States | 40.79278 | -75.66056 | 498 | 17196 |
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