| Southampton County, VA (County) |
| Southampton Township, NJ (Township) |
| Southaven, MS (City) |
| Southaven Community Development District, FL (CDD) |
| Southbay Community Development District (Manatee County), FL (CDD) |
| Southborough, MA (Town) |
| Southbridge, MA (Town) |
| Southbrook, MN (Township) |
| Southbury, CT (Town) |
| Southeast, IN (Township) |
| Southeast, NY (Town) |
| Southeast Fairbanks Borough, AK (County) |
| Southern Grove Community Development District No. 1, FL (CDD) |
| Southern Grove Community Development District No. 2, FL (CDD) |
| Southern Grove Community Development District No. 3, FL (CDD) |
