| Third River, MN (Township) |
| Thomas, OK (City) |
| Thomas, WV (Town) |
| Thomas, KS (Township) |
| Thomas County, NE (County) |
| Thomas County, GA (County) |
| Thomas County, KS (County) |
| Thomas Township, MI (Township) |
| Thomasboro, IL (Village) |
| Thomaston, NY (Village) |
| Thomaston, AL (Town) |
| Thomaston, GA (City) |
| Thomaston, CT (Town) |
| Thomaston, ME (Town) |
| Thomastown, MN (Township) |
