| Tropic, UT (City) |
| Trosky, MN (City) |
| Trotter, MO (Township) |
| Trotwood, OH (City) |
| Troup, TX (City) |
| Troup County, GA (County) |
| Troupsburg, NY (Town) |
| Trousdale County, TN (County) |
| Trout Creek Community Development District, FL (CDD) |
| Trout Lake, MN (Township) |
| Trout Lake Township, MI (Township) |
| Trout Valley, IL (Village) |
| Troutdale, OR (City) |
| Troutdale, VA (Town) |
| Troutman, NC (Town) |
