| Thornbury Township, PA (Township) |
| Thornbury Township, PA (Township) |
| Thorncreek, IN (Township) |
| Thorndale, TX (City) |
| Thorndike, ME (Town) |
| Thorne Bay, AK (City) |
| Thornhill, KY (City) |
| Thornhurst Township, PA (Township) |
| Thornton, CO (City) |
| Thornton, TX (Town) |
| Thornton, NE (Township) |
| Thornton, NH (Town) |
| Thornton, AR (City) |
| Thornton, IA (City) |
| Thornton, IL (Village) |
