| Southern Hills Plantation III Community Development District, FL (CDD) |
| Southern Pines, NC (Town) |
| Southern Shores, NC (Town) |
| Southern View, IL (Village) |
| Southfield, MI (City) |
| Southfield Township, MI (Township) |
| Southgate, MI (City) |
| Southgate, KY (City) |
| Southington, CT (Town) |
| Southington Township, OH (Township) |
| Southlake, TX (City) |
| Southmayd, TX (Town) |
| Southmont, PA (Borough) |
| Southold, NY (Town) |
| Southport, NY (Town) |
