| Trigg County, KY (County) |
| Trimbelle Town, WI (Town) |
| Trimble, OH (Village) |
| Trimble, TN (Town) |
| Trimble, MO (City) |
| Trimble County, KY (County) |
| Trimble Township, OH (Township) |
| Trimont, MN (City) |
| Trinidad, CA (City) |
| Trinidad, CO (City) |
| Trinidad, TX (City) |
| Trinity, TX (City) |
| Trinity, NC (City) |
| Trinity, AL (Town) |
| Trinity County, TX (County) |
