| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Moudy Hill | city | Pennsylvania | United States | 40.38 | -78.69 | 1748 | |
| Moulstown | city | Pennsylvania | United States | 39.85 | -76.93 | 830 | |
| Mount Aetna | city | Pennsylvania | United States | 40.42 | -76.30 | 830 | |
| Mount Air | city | Pennsylvania | United States | 40.90 | -80.44 | 1099 | |
| Mount Airy | city | Pennsylvania | United States | 40.07 | -76.02 | 830 | |
| Mount Airy | city | Pennsylvania | United States | 40.24 | -76.23 | 830 | |
| Mount Airy | city | Pennsylvania | United States | 41.09 | -79.52 | 1669 | |
| Mount Airy | city | Pennsylvania | United States | 40.10 | -76.91 | 830 | |
| Mount Airy | city | Pennsylvania | United States | 40.06 | -75.19 | 298 | |
| Mount Airy | city | Pennsylvania | United States | 40.26 | -75.79 | 285 | |
| Mount Airy Terrace | city | Pennsylvania | United States | 41.32 | -75.94 | 997 | |
| Mount Allen | city | Pennsylvania | United States | 40.18 | -76.97 | 830 | |
| Mount Allen Estates | city | Pennsylvania | United States | 40.19 | -76.98 | 830 | |
| Mount Alton | city | Pennsylvania | United States | 41.79 | -78.63 | 2086 | |
| Mount Alverno | city | Pennsylvania | United States | 39.88 | -75.43 | 98 | |
| Mount Ararat | city | Pennsylvania | United States | 40.38 | -76.48 | 830 | |
| Mount Bethel | city | Pennsylvania | United States | 40.90 | -75.11 | 830 | |
| Mount Braddock | city | Pennsylvania | United States | 39.94 | -79.64 | 1669 | |
| Mount Carbon | city | Pennsylvania | United States | 40.67 | -76.19 | 830 | |
| Mount Carmel | city | Pennsylvania | United States | 39.77 | -80.51 | 1669 | |
| Mount Carmel | city | Pennsylvania | United States | 40.80 | -76.41 | 1148 | |
| Mount Carmel Junction | city | Pennsylvania | United States | 40.78 | -76.44 | 1669 | |
| Mount Chestnut | city | Pennsylvania | United States | 40.89 | -79.98 | 1669 | |
| Mount Chestnut Springs | city | Pennsylvania | United States | 40.89 | -79.99 | 1249 | |
| Mount Cobb | city | Pennsylvania | United States | 41.41 | -75.49 | 1669 | |
| Mount Dallas | city | Pennsylvania | United States | 40.01 | -78.40 | 1099 | |
| Mount Eagle | city | Pennsylvania | United States | 40.98 | -77.71 | 830 | |
| Mount Etna | city | Pennsylvania | United States | 40.52 | -78.17 | 830 | |
| Mount Gretna | city | Pennsylvania | United States | 40.25 | -76.47 | 839 | |
| Mount Gretna Heights | city | Pennsylvania | United States | 40.25 | -76.46 | 839 | |
| Mount Herman | city | Pennsylvania | United States | 40.05 | -80.23 | 1056 | |
| Mount Holly Springs | city | Pennsylvania | United States | 40.12 | -77.19 | 830 | |
| Mount Hope | city | Pennsylvania | United States | 39.80 | -77.43 | 1108 | |
| Mount Hope | city | Pennsylvania | United States | 40.99 | -78.41 | 1197 | |
| Mount Hope | city | Pennsylvania | United States | 41.59 | -79.96 | 1669 | |
| Mount Hope | city | Pennsylvania | United States | 40.21 | -77.50 | 830 | |
| Mount Hope | city | Pennsylvania | United States | 40.22 | -76.42 | 830 | |
| Mount Hope | city | Pennsylvania | United States | 39.96 | -79.72 | 1000 | |
| Mount Hope | city | Pennsylvania | United States | 40.65 | -75.29 | 416 | |
| Mount Independence | city | Pennsylvania | United States | 39.93 | -79.64 | 1669 | |
| Mount Jackson | city | Pennsylvania | United States | 40.96 | -80.44 | 997 | |
| Mount Jewett | city | Pennsylvania | United States | 41.73 | -78.64 | 2509 | |
| Mount Joy | city | Pennsylvania | United States | 40.11 | -76.50 | 311 | |
| Mount Joy | city | Pennsylvania | United States | 40.15 | -79.50 | 1194 | |
| Mount Joy | city | Pennsylvania | United States | 41.05 | -78.44 | 1669 | |
| Mount Laffee | city | Pennsylvania | United States | 40.72 | -76.23 | 898 | |
| Mount Laurel | city | Pennsylvania | United States | 40.93 | -75.99 | 1699 | |
| Mount Lebanon | city | Pennsylvania | United States | 40.36 | -80.05 | 1115 | |
| Mount Misery | city | Pennsylvania | United States | 39.84 | -77.04 | 830 | |
| Mount Morris | city | Pennsylvania | United States | 39.73 | -80.07 | 997 | |
| Mount Nebo | city | Pennsylvania | United States | 39.88 | -76.32 | 830 | |
| Mount Nebo | city | Pennsylvania | United States | 40.12 | -79.61 | 1207 | |
| Mount Nebo | city | Pennsylvania | United States | 40.55 | -80.11 | 1099 | |
| Mount Olive | city | Pennsylvania | United States | 40.41 | -79.97 | 1046 | |
| Mount Oliver | city | Pennsylvania | United States | 40.41 | -79.99 | 1190 | |
| Mount Patrick | city | Pennsylvania | United States | 40.53 | -76.99 | 830 | |
| Mount Penn | city | Pennsylvania | United States | 40.33 | -75.89 | 830 | |
| Mount Pleasant | city | Pennsylvania | United States | 40.81 | -75.16 | 830 | |
| Mount Pleasant | city | Pennsylvania | United States | 39.73 | -77.08 | 830 | |
| Mount Pleasant | city | Pennsylvania | United States | 39.78 | -77.01 | 830 | |
| Mount Pleasant | city | Pennsylvania | United States | 40.14 | -76.96 | 830 | |
| Mount Pleasant | city | Pennsylvania | United States | 40.15 | -79.54 | 1161 | |
| Mount Pleasant | city | Pennsylvania | United States | 40.40 | -76.06 | 298 | |
| Mount Pleasant | city | Pennsylvania | United States | 40.73 | -77.61 | 918 | |
| Mount Pleasant | city | Pennsylvania | United States | 41.56 | -77.28 | 1699 | |
| Mount Pleasant | city | Pennsylvania | United States | 40.56 | -77.38 | 830 | |
| Mount Pleasant | city | Pennsylvania | United States | 40.06 | -75.18 | 298 | |
| Mount Pleasant | city | Pennsylvania | United States | 40.14 | -80.16 | 1220 | |
| Mount Pleasant | city | Pennsylvania | United States | 40.16 | -75.23 | 200 | |
| Mount Pleasant | city | Pennsylvania | United States | 39.93 | -76.10 | 830 | |
| Mount Pleasant | city | Pennsylvania | United States | 40.28 | -76.53 | 830 | |
| Mount Pleasant | city | Pennsylvania | United States | 40.32 | -77.54 | 830 | |
| Mount Pleasant | city | Pennsylvania | United States | 40.33 | -75.24 | 830 | |
| Mount Pleasant | city | Pennsylvania | United States | 40.71 | -76.34 | 1669 | |
| Mount Pleasant | city | Pennsylvania | United States | 41.24 | -78.57 | 1669 | |
| Mount Pleasant | city | Pennsylvania | United States | 41.32 | -79.98 | 1669 | |
| Mount Pleasant | city | Pennsylvania | United States | 40.89 | -76.74 | 862 | |
| Mount Pleasant Mill | city | Pennsylvania | United States | 40.72 | -77.01 | 830 | |
| Mount Pleasant Mills | city | Pennsylvania | United States | 40.72 | -77.02 | 830 | |
| Mount Pocono | city | Pennsylvania | United States | 41.12 | -75.36 | 1794 | |
| Mount Rock | city | Pennsylvania | United States | 40.02 | -77.56 | 830 | |
| Mount Rock | city | Pennsylvania | United States | 40.16 | -77.32 | 830 | |
| Mount Rock | city | Pennsylvania | United States | 40.61 | -77.57 | 830 | |
| Mount Royal | city | Pennsylvania | United States | 40.04 | -76.89 | 400 | |
| Mount Sterling | city | Pennsylvania | United States | 39.85 | -79.94 | 941 | |
| Mount Tabor | city | Pennsylvania | United States | 40.01 | -77.24 | 1102 | |
| Mount Tabor | city | Pennsylvania | United States | 40.99 | -79.22 | 1669 | |
| Mount Top | city | Pennsylvania | United States | 40.06 | -76.99 | 830 | |
| Mount Union | city | Pennsylvania | United States | 40.38 | -77.88 | 830 | |
| Mount Union | city | Pennsylvania | United States | 39.91 | -77.50 | 977 | |
| Mount Vernon | city | Pennsylvania | United States | 40.29 | -79.81 | 997 | |
| Mount Vernon | city | Pennsylvania | United States | 40.56 | -79.75 | 948 | |
| Mount Vernon | city | Pennsylvania | United States | 39.81 | -76.03 | 830 | |
| Mount Vernon Gardens | city | Pennsylvania | United States | 40.12 | -75.13 | 298 | |
| Mount View | city | Pennsylvania | United States | 40.28 | -76.97 | 400 | |
| Mount Washington | city | Pennsylvania | United States | 40.43 | -80.01 | 1062 | |
| Mount Washington | city | Pennsylvania | United States | 40.76 | -80.33 | 830 | |
| Mount Washington | city | Pennsylvania | United States | 39.81 | -79.58 | 1899 | |
| Mount Wilson | city | Pennsylvania | United States | 40.26 | -76.51 | 830 | |
| Mount Wolf | city | Pennsylvania | United States | 40.06 | -76.70 | 830 | |
| Mount Zion | city | Pennsylvania | United States | 40.13 | -77.17 | 830 | |
| Mount Zion | city | Pennsylvania | United States | 40.29 | -76.99 | 403 | |
| Mount Zion | city | Pennsylvania | United States | 40.40 | -76.38 | 830 | |
| Mount Zion | city | Pennsylvania | United States | 41.02 | -75.23 | 830 | |
| Mount Zion | city | Pennsylvania | United States | 40.00 | -76.68 | 830 | |
| Mountain Dale | city | Pennsylvania | United States | 40.34 | -76.88 | 416 | |
| Mountain Green | city | Pennsylvania | United States | 40.12 | -77.81 | 869 | |
| Mountain Grove | city | Pennsylvania | United States | 40.98 | -76.21 | 997 | |
| Mountain Lake | city | Pennsylvania | United States | 41.76 | -76.58 | 1669 | |
| Mountain Park | city | Pennsylvania | United States | 40.34 | -75.87 | 830 | |
| Mountain Top | city | Pennsylvania | United States | 41.17 | -75.88 | 1669 | |
| Mountain Top | city | Pennsylvania | United States | 40.11 | -75.95 | 830 | |
| Mountain Top Estates | city | Pennsylvania | United States | 41.10 | -75.06 | 830 | |
| Mountain View | city | Pennsylvania | United States | 40.33 | -76.78 | 830 | |
| Mountain View Acres | city | Pennsylvania | United States | 40.36 | -76.80 | 830 | |
| Mountain View Estates | city | Pennsylvania | United States | 40.30 | -76.95 | 403 | |
| Mountain Village Mobile Home Park | city | Pennsylvania | United States | 40.47 | -75.61 | 898 | |
| Mountaindale | city | Pennsylvania | United States | 40.69 | -78.42 | 2509 | |
| Mountainhome | city | Pennsylvania | United States | 41.17 | -75.27 | 1174 | |
| Mountainville | city | Pennsylvania | United States | 40.57 | -75.45 | 830 | |
| Mountville | city | Pennsylvania | United States | 40.04 | -76.43 | 400 |