| South El Monte, CA (City) |
| South Elgin, IL (Village) |
| South English, IA (City) |
| South Euclid, OH (City) |
| South Fayette Township, PA (Township) |
| South Fillmore Township, IL (Township) |
| South Flannigan Township, IL (Township) |
| South Floral Park, NY (Village) |
| South Fork, MN (Township) |
| South Fork, ND (Township) |
| South Fork, PA (Borough) |
| South Fork, CO (Town) |
| South Fork Community Development District, FL (CDD) |
| South Fork East Community Development District, FL (CDD) |
| South Fork Town, WI (Town) |
