| Thompsons, TX (Town) |
| Thompsontown, PA (Borough) |
| Thompsonville, MI (Village) |
| Thompsonville, IL (Village) |
| Thomson, IL (Village) |
| Thomson, MN (City) |
| Thomson, MN (Township) |
| Thomson, GA (City) |
| Thor, IA (City) |
| Thordenskjold, ND (Township) |
| Thorn Township, OH (Township) |
| Thornapple Town, WI (Town) |
| Thornapple Township, MI (Township) |
| Thornburg, PA (Borough) |
| Thornburg, IA (City) |
