| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Mobleys Crossroads | city | South Carolina | United States | 33.91 | -81.74 | 830 | |
| Modoc | city | South Carolina | United States | 33.73 | -82.21 | 400 | |
| Modoc Subdivision | city | South Carolina | United States | 33.71 | -82.22 | 298 | |
| Moffitsville | city | South Carolina | United States | 34.29 | -82.71 | 830 | |
| Molly Tree Plantation | city | South Carolina | United States | 34.79 | -82.26 | 830 | |
| Monaco Estates | city | South Carolina | United States | 34.70 | -82.80 | 830 | |
| Monaghan | city | South Carolina | United States | 34.87 | -82.43 | 925 | |
| Monarch | city | South Carolina | United States | 34.72 | -81.60 | 830 | |
| Moncks Corner | city | South Carolina | United States | 33.20 | -80.01 | 49 | |
| Monetta | city | South Carolina | United States | 33.85 | -81.61 | 830 | |
| Monroe Crossroads | city | South Carolina | United States | 34.55 | -79.66 | 124 | |
| Mont Clare | city | South Carolina | United States | 34.40 | -79.82 | 173 | |
| Montague | city | South Carolina | United States | 34.87 | -82.60 | 1095 | |
| Montague | city | South Carolina | United States | 34.92 | -82.44 | 997 | |
| Montclair | city | South Carolina | United States | 34.78 | -82.29 | 905 | |
| Montclaire | city | South Carolina | United States | 34.78 | -82.29 | 898 | |
| Monte Vista | city | South Carolina | United States | 34.85 | -82.62 | 1102 | |
| Monterey (historical) | city | South Carolina | United States | 34.17 | -82.54 | 830 | |
| Monterey Hills | city | South Carolina | United States | 35.00 | -81.04 | 830 | |
| Montgomery | city | South Carolina | United States | 34.13 | -81.13 | 193 | |
| Montgomery Acres | city | South Carolina | United States | 34.95 | -81.88 | 830 | |
| Monticello | city | South Carolina | United States | 34.35 | -81.30 | 830 | |
| Monticello Estates | city | South Carolina | United States | 33.49 | -81.93 | 298 | |
| Montmorenci | city | South Carolina | United States | 33.53 | -81.64 | 830 | |
| Montrose | city | South Carolina | United States | 34.64 | -79.87 | 131 | |
| Moody Cove | city | South Carolina | United States | 34.93 | -83.07 | 1174 | |
| Moonville | city | South Carolina | United States | 34.72 | -82.39 | 997 | |
| Moore | city | South Carolina | United States | 34.83 | -81.99 | 830 | |
| Moore Crossroads | city | South Carolina | United States | 33.85 | -79.84 | 82 | |
| Moorefield | city | South Carolina | United States | 33.29 | -80.17 | 75 | |
| Moores Corner | city | South Carolina | United States | 33.10 | -79.47 | 9 | |
| Moores Crossroads | city | South Carolina | United States | 32.98 | -81.33 | 160 | |
| Moores Landing | city | South Carolina | United States | 32.94 | -79.66 | 0 | |
| Moreland | city | South Carolina | United States | 33.01 | -79.90 | 26 | |
| Moreland | city | South Carolina | United States | 32.78 | -79.97 | 3 | |
| Moreland Landing | city | South Carolina | United States | 33.01 | -79.90 | 19 | |
| Morgan | city | South Carolina | United States | 32.30 | -81.08 | 19 | |
| Morgan River Estates | city | South Carolina | United States | 32.43 | -80.63 | 3 | |
| Morgana | city | South Carolina | United States | 33.61 | -82.05 | 298 | |
| Morningside | city | South Carolina | United States | 34.88 | -82.34 | 898 | |
| Morningside Heights | city | South Carolina | United States | 34.66 | -82.86 | 830 | |
| Morrisville | city | South Carolina | United States | 33.61 | -79.54 | 45 | |
| Moselle | city | South Carolina | United States | 32.97 | -81.01 | 75 | |
| Moses Heights | city | South Carolina | United States | 33.89 | -80.33 | 141 | |
| Moss Creek | city | South Carolina | United States | 33.54 | -79.05 | 3 | |
| Moss Grove | city | South Carolina | United States | 33.33 | -80.18 | 82 | |
| Moss Heights | city | South Carolina | United States | 33.50 | -80.88 | 200 | |
| Moss Hills | city | South Carolina | United States | 33.53 | -80.87 | 269 | |
| Moss Park | city | South Carolina | United States | 32.80 | -79.85 | 9 | |
| Moss Point | city | South Carolina | United States | 32.97 | -80.15 | 29 | |
| Moss Pond (historical) | city | South Carolina | United States | 33.38 | -80.14 | 72 | |
| Motts Crossroads | city | South Carolina | United States | 33.98 | -79.91 | 111 | |
| Moultrie Heights | city | South Carolina | United States | 32.79 | -79.87 | 9 | |
| Mount Bethel (historical) | city | South Carolina | United States | 34.34 | -81.56 | 830 | |
| Mount Beulah | city | South Carolina | United States | 33.44 | -81.54 | 400 | |
| Mount Calvary | city | South Carolina | United States | 34.43 | -79.33 | 118 | |
| Mount Carmel | city | South Carolina | United States | 34.01 | -82.51 | 830 | |
| Mount Croghan | city | South Carolina | United States | 34.77 | -80.23 | 344 | |
| Mount Gallagher | city | South Carolina | United States | 34.40 | -82.19 | 830 | |
| Mount Gilead | city | South Carolina | United States | 33.58 | -79.02 | 3 | |
| Mount Holly | city | South Carolina | United States | 33.03 | -80.03 | 26 | |
| Mount Olive | city | South Carolina | United States | 34.38 | -82.15 | 830 | |
| Mount Olive | city | South Carolina | United States | 34.15 | -79.03 | 88 | |
| Mount Pisgah | city | South Carolina | United States | 34.56 | -80.45 | 400 | |
| Mount Pisgah | city | South Carolina | United States | 33.14 | -80.31 | 65 | |
| Mount Pleasant | city | South Carolina | United States | 32.79 | -79.86 | 9 | |
| Mount Rena | city | South Carolina | United States | 33.52 | -79.13 | 3 | |
| Mount Tabor | city | South Carolina | United States | 33.62 | -79.19 | 19 | |
| Mount Vernon | city | South Carolina | United States | 34.54 | -82.67 | 830 | |
| Mount Vernon Estates | city | South Carolina | United States | 34.95 | -82.25 | 1007 | |
| Mount View | city | South Carolina | United States | 35.03 | -82.36 | 1023 | |
| Mount Willing | city | South Carolina | United States | 34.00 | -81.67 | 830 | |
| Mount Zion | city | South Carolina | United States | 33.95 | -79.55 | 75 | |
| Mount Zion | city | South Carolina | United States | 34.98 | -82.06 | 830 | |
| Mount Zion | city | South Carolina | United States | 33.23 | -80.59 | 104 | |
| Mountain Brook | city | South Carolina | United States | 34.86 | -82.30 | 902 | |
| Mountain Brook | city | South Carolina | United States | 33.98 | -80.91 | 298 | |
| Mountain Creek | city | South Carolina | United States | 34.45 | -82.71 | 830 | |
| Mountain Estates | city | South Carolina | United States | 34.70 | -82.80 | 830 | |
| Mountain Lake Colony | city | South Carolina | United States | 35.07 | -82.62 | 1200 | |
| Mountain Lakes | city | South Carolina | United States | 34.66 | -81.26 | 830 | |
| Mountain Shadows | city | South Carolina | United States | 34.91 | -82.44 | 997 | |
| Mountain View | city | South Carolina | United States | 35.09 | -81.93 | 898 | |
| Mountain View Homes | city | South Carolina | United States | 34.85 | -82.42 | 1010 | |
| Mountain View Mobile Home Park | city | South Carolina | United States | 35.03 | -82.09 | 898 | |
| Mountainbrook | city | South Carolina | United States | 35.02 | -81.96 | 830 | |
| Mountaindale | city | South Carolina | United States | 34.71 | -82.81 | 859 | |
| Mountville | city | South Carolina | United States | 34.36 | -81.97 | 830 | |
| Mouzon | city | South Carolina | United States | 33.73 | -79.93 | 49 | |
| Moyd | city | South Carolina | United States | 33.34 | -79.37 | 19 |