| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Mount Sabine | city | Victoria | Australia | -38.63 | 143.72 | 1020 | 290 |
| Mount Saint Annagh | city | Kerry | Ireland | 52.24 | -9.75 | 364 | 15358 |
| Mount Saint Bernard | city | KwaZulu-Natal | South Africa | -28.91 | 30.38 | 2509 | 8233 |
| Mount Saint Bernard | city | KwaZulu-Natal | South Africa | -28.93 | 30.42 | 2709 | 5627 |
| Mount Saint George | city | Tobago | Trinidad and Tobago | 11.19 | -60.68 | 3 | 15310 |
| Mount Saint George Village | city | Tobago | Trinidad and Tobago | 11.19 | -60.68 | 3 | 15310 |
| 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 Saint Patrick | city | Ontario | Canada | 45.34 | -76.87 | 830 | 101 |
| Mount Saint Thomas | city | New South Wales | Australia | -34.44 | 150.87 | 42 | 52452 |
| Mount Saint Vincent | city | Mashonaland East | Zimbabwe | -17.93 | 31.28 | 5121 | 35717 |
| 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 Salt | city | South Australia | Australia | -37.93 | 140.63 | 269 | 254 |
| Mount Samson | city | Queensland | Australia | -27.30 | 152.85 | 830 | 0 |
| Mount Sandon Airport | airport | -31.39 | 151.41 | 1363 | 0 | ||
| Mount Sanford Station Airport | airport | -16.98 | 130.55 | 231 | 0 | ||
| Mount Sarah Airport | airport | -27.04 | 135.24 | 0 | |||
| 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 Schank | city | South Australia | Australia | -37.95 | 140.73 | 275 | 269 |
| Mount Scott | city | South Australia | Australia | -36.80 | 140.08 | 52 | 0 |
| Mount Seabrook | city | Western Australia | Australia | -25.60 | 117.73 | 1669 | 0 |
| Mount Seaview | city | New South Wales | Australia | -31.40 | 152.08 | 1742 | 322 |
| Mount Selinda | city | Manicaland | Zimbabwe | -20.45 | 32.71 | 3457 | 6579 |
| Mount Selman | city | Texas | United States | 32.07 | -95.28 | 830 | |
| Mount Serle | city | South Australia | Australia | -30.55 | 138.86 | 2811 | 0 |
| Mount Seymour | city | Tasmania | Australia | -42.40 | 147.45 | 1840 | 149 |
| Mount Shalom | city | Manicaland | Zimbabwe | -18.80 | 32.27 | 4189 | 5414 |
| Mount Shannon | city | KwaZulu-Natal | South Africa | -29.69 | 29.92 | 5029 | 420 |
| Mount Shannon | city | Mashonaland East | Zimbabwe | -17.67 | 31.35 | 4297 | 2718 |
| 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 Sheba | city | Mpumalanga | South Africa | -24.93 | 30.72 | 5869 | 685 |
| 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 Sibali | city | Matabeleland South | Zimbabwe | -20.91 | 28.52 | 3546 | 894 |
| Mount Sibley | city | Queensland | Australia | -27.83 | 151.97 | 1883 | 401 |
| 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 Skinner | city | Northern Territory | Australia | -22.21 | 134.12 | 1981 | 0 |
| Mount Skinner Airport | airport | -22.18 | 134.12 | 0 | |||
| Mount Slaney | city | Wicklow | Ireland | 52.98 | -6.64 | 830 | 1503 |
| Mount Snell | city | Eastern Cape | South Africa | -32.63 | 26.83 | 2828 | 1424 |
| Mount Solon | city | Virginia | United States | 38.34 | -79.09 | 1669 | |
| Mount Solus | city | Saint Elizabeth | Jamaica | 18.10 | -77.88 | 954 | 15635 |
| Mount Somers | city | New Zealand | -43.72 | 171.40 | 1184 | 149 | |
| Mount Sophia | city | Queensland | Australia | -17.16 | 145.88 | 830 | 0 |
| Mount Sophia | city | KwaZulu-Natal | South Africa | -28.30 | 31.27 | 2791 | 13117 |
| Mount Spencer | city | Queensland | Australia | -21.48 | 148.83 | 984 | 0 |
| Mount Springs Estates | city | Arkansas | United States | 34.97 | -91.91 | 298 | |
| Mount Standfast | city | Saint James | Barbados | 13.20 | -59.63 | 190 | 47896 |
| Mount Stanhope | city | Saint Mark | Grenada | 12.18 | -61.68 | 1683 | 28877 |
| Mount Stepney | city | Saint Peter | Barbados | 13.27 | -59.58 | 150 | 49172 |
| Mount Sterculia | city | Queensland | Australia | -24.42 | 147.88 | 1669 | 0 |
| 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 Stewart | city | Prince Edward Island | Canada | 46.37 | -62.87 | 9 | 1004 |
| Mount Stewart | city | Westmoreland | Jamaica | 18.31 | -78.01 | 1161 | 18344 |
| Mount Stewart | city | Eastern Cape | South Africa | -33.15 | 24.44 | 2509 | 0 |
| Mount Stewart | city | Eastern Cape | South Africa | -33.17 | 24.53 | 2509 | 0 |
| Mount Stewart | city | Princes Town | Trinidad and Tobago | 10.29 | -61.41 | 82 | 74230 |
| Mount Stewart Village | city | Princes Town | Trinidad and Tobago | 10.29 | -61.41 | 82 | 74230 |
| Mount Stoker | city | New Zealand | -45.60 | 170.28 | 1184 | 149 | |
| 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 Stuart | city | New South Wales | Australia | -29.49 | 142.07 | 830 | 0 |
| Mount Stuart | city | Queensland | Australia | -23.20 | 148.65 | 872 | 0 |
| Mount Stuart | city | Queensland | Australia | -23.08 | 148.68 | 830 | 0 |
| Mount Stuart | city | Limpopo | South Africa | -22.67 | 30.10 | 2509 | 819 |
| Mount Stuart | city | Limpopo | South Africa | -22.67 | 30.11 | 1883 | 802 |
| Mount Stuart Station | city | New South Wales | Australia | -29.49 | 142.07 | 830 | 0 |
| Mount Sturt | city | Queensland | Australia | -28.20 | 152.18 | 1958 | 46 |
| Mount Sturt | city | New South Wales | Australia | -29.60 | 141.72 | 830 | 0 |
| Mount Sturt Station | city | New South Wales | Australia | -29.60 | 141.72 | 830 | 0 |
| 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 Sunrise | city | Free State | South Africa | -27.05 | 27.15 | 5029 | 539 |
| Mount Surprise | city | Queensland | Australia | -18.03 | 144.50 | 2004 | 0 |
| Mount Surprise Airport | airport | -18.13 | 144.29 | 0 | |||
| Mount Swan | city | Northern Territory | Australia | -22.64 | 135.08 | 1669 | 0 |
| Mount Swan Airport | airport | -22.60 | 135.02 | 0 | |||
| Mount Sylvan | city | Texas | United States | 32.46 | -95.47 | 830 | |
| Mount Sylvia | city | Queensland | Australia | -27.73 | 152.22 | 984 | 0 |
| Mount Synnott | city | Western Cape | South Africa | -32.09 | 18.91 | 2509 | 237 |
| Mount Synnott | city | Western Cape | South Africa | -32.07 | 18.92 | 2598 | 206 |
| Mount Synnott | city | Western Cape | South Africa | -32.08 | 18.88 | 1669 | 239 |
| Mount Synnott | city | Western Cape | South Africa | -32.05 | 18.86 | 1669 | 197 |
| Mount Synnott | city | Western Cape | South Africa | -32.02 | 18.83 | 830 | 159 |