| South Fork, PA (Borough) |
| South Fork, CO (Town) |
| South Fork, WI (Town) |
| South Fork Community Development District, FL (CDD) |
| South Fork East Community Development District, FL (CDD) |
| South Fork Township, IA (Township) |
| South Fork Township, IA (Township) |
| South Fork Township, IA (Township) |
| South Fork Township, IL (Township) |
| South Franklin, PA (Township) |
| South Frydek, TX (City) |
| South Fulton, TN (City) |
| South Gate, CA (City) |
| South Gifford, MO (Village) |
| South Glens Falls, NY (Village) |
