| South Ottawa Township, IL (Township) |
| South Otter Township, IL (Township) |
| South Padre Island, TX (Town) |
| South Palm Beach , FL (Town) |
| South Palmyra Township, IL (Township) |
| South Park, PA (Township) |
| South Park View, KY (City) |
| South Pasadena , FL (City) |
| South Pasadena, CA (City) |
| South Pekin, IL (Village) |
| South Pittsburg, TN (City) |
| South Plainfield, NJ (Borough) |
| South Platte, NE (Township) |
| South Point, OH (Village) |
| South Portland, ME (City) |
