| Southlake, TX (City) |
| Southmayd, TX (Town) |
| Southmont, PA (Borough) |
| Southold, NY (Town) |
| Southport, NY (Town) |
| Southport, NC (City) |
| Southport, IN (City) |
| Southport, ME (Town) |
| Southside, AR (City) |
| Southside, KS (Township) |
| Southside, AL (City) |
| Southside, MN (Township) |
| Southside Place, TX (City) |
| Southwest, ND (Township) |
| Southwest, PA (Township) |
