| Traverse City, MI (City) |
| Traverse County, MN (County) |
| Travis County, TX (County) |
| Treasure County, MT (County) |
| Treasure Island , FL (City) |
| Tredyffrin, PA (Township) |
| Tree Island Estates Community Development District, FL (CDD) |
| Treece, KS (City) |
| Treeline Preserve Community Development District, FL (CDD) |
| Trego, WI (Town) |
| Trego County, KS (County) |
| Trelipe, MN (Township) |
| Tremont, IL (Village) |
| Tremont, MS (Town) |
| Tremont, ME (Town) |
