| South Berwick, ME (Town) |
| South Bethany, DE (Town) |
| South Bethlehem, PA (Borough) |
| South Bloomfield, OH (Village) |
| South Bloomfield Township, OH (Township) |
| South Blooming Grove, NY (Village) |
| South Boston, VA (Town) |
| South Bound Brook, NJ (Borough) |
| South Branch, NE (Township) |
| South Branch, MN (Township) |
| South Branch Township, MI (Township) |
| South Branch Township, MI (Township) |
| South Bristol, NY (Town) |
| South Bristol, ME (Town) |
| South Brown, KS (Township) |
