| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Mount Saint John | city | Ohio | United States | 39.72 | -84.10 | 990 | |
| Mount Saint Joseph | city | Ohio | United States | 39.10 | -84.64 | 830 | |
| Mount Salem | city | Kentucky | United States | 37.42 | -84.80 | 984 | |
| Mount Salem | city | New Jersey | United States | 40.61 | -74.98 | 830 | |
| Mount Salem | city | New Jersey | United States | 41.31 | -74.62 | 830 | |
| Mount Savage | city | Kentucky | United States | 38.27 | -82.89 | 830 | |
| Mount Savage | city | Maryland | United States | 39.70 | -78.88 | 1669 | |
| Mount Savage Junction | city | Maryland | United States | 39.69 | -78.78 | 830 | |
| Mount Selman | city | Texas | United States | 32.07 | -95.28 | 830 | |
| Mount Sharon | city | Alabama | United States | 33.21 | -86.41 | 830 | |
| Mount Shasta | city | California | United States | 41.31 | -122.31 | 3582 | |
| Mount Shasta City | city | California | United States | 41.31 | -122.31 | 3582 | |
| Mount Sherman | city | Arkansas | United States | 36.03 | -93.26 | 2043 | |
| Mount Sherman | city | Kentucky | United States | 37.45 | -85.67 | 915 | |
| Mount Shira | city | Missouri | United States | 36.58 | -94.46 | 846 | |
| Mount Si Mobile Home Park | city | Washington | United States | 47.49 | -121.77 | 830 | |
| Mount Sidney | city | Virginia | United States | 38.26 | -78.96 | 1236 | |
| Mount Signal | city | California | United States | 32.68 | -115.64 | -1689 | |
| Mount Sinai | city | Alabama | United States | 32.29 | -86.47 | 196 | |
| Mount Sinai | city | Alabama | United States | 32.55 | -86.54 | 406 | |
| Mount Sinai | city | Indiana | United States | 39.08 | -85.00 | 830 | |
| Mount Sinai | city | New York | United States | 40.95 | -73.03 | 85 | |
| Mount Sinai | city | Ohio | United States | 39.14 | -82.80 | 830 | |
| Mount Sinai | city | North Carolina | United States | 35.20 | -81.60 | 830 | |
| Mount Solon | city | Virginia | United States | 38.34 | -79.09 | 1669 | |
| Mount Springs Estates | city | Arkansas | United States | 34.97 | -91.91 | 298 | |
| Mount Sterling | city | Alabama | United States | 32.09 | -88.16 | 150 | |
| Mount Sterling | city | Illinois | United States | 39.99 | -90.76 | 830 | |
| Mount Sterling | city | Indiana | United States | 38.80 | -85.07 | 830 | |
| Mount Sterling | city | Iowa | United States | 40.62 | -91.93 | 830 | |
| Mount Sterling | city | Kentucky | United States | 38.06 | -83.94 | 980 | |
| Mount Sterling | city | Missouri | United States | 38.47 | -91.63 | 830 | |
| Mount Sterling | city | North Carolina | United States | 35.76 | -83.10 | 2030 | |
| Mount Sterling | city | Ohio | United States | 39.72 | -83.27 | 869 | |
| Mount Sterling | city | Ohio | United States | 39.96 | -82.15 | 1010 | |
| Mount Sterling | city | Pennsylvania | United States | 39.85 | -79.94 | 941 | |
| Mount Sterling | city | Utah | United States | 41.61 | -111.94 | 5029 | |
| Mount Sterling | city | Wisconsin | United States | 43.32 | -90.93 | 1122 | |
| Mount Sterling (historical) | city | Tennessee | United States | 35.89 | -85.80 | 1023 | |
| Mount Storm | city | West Virginia | United States | 39.28 | -79.24 | 2808 | |
| Mount Street Mobile Home Park | city | Indiana | United States | 41.57 | -87.40 | 830 | |
| Mount Sulphur | city | Tennessee | United States | 35.77 | -84.82 | 1669 | |
| Mount Summit | city | Indiana | United States | 40.00 | -85.38 | 1066 | |
| Mount Summit | city | Ohio | United States | 39.09 | -84.33 | 895 | |
| Mount Sunapee | city | New Hampshire | United States | 43.34 | -72.07 | 1194 | |
| Mount Sylvan | city | Texas | United States | 32.46 | -95.47 | 830 |