| South Charleston, WV (City) |
| South Chicago Heights, IL (Village) |
| South Cle Elum, WA (Town) |
| South Coatesville, PA (Borough) |
| South Coffeyville, OK (Town) |
| South Congaree, SC (Town) |
| South Connellsville, PA (Borough) |
| South Corning, NY (Village) |
| South Cottonwood, ND (Township) |
| South Coventry, PA (Township) |
| South Creek, PA (Township) |
| South Creek, SD (Township) |
| South Crouch Township, IL (Township) |
| South Dade Venture Community Development District, FL (CDD) |
| South Dakota, SD (State) |
