There are 31 unique surnames beginning with letter T:
| Tankslery | Tate | Tator | Taylor | Teets | Telliga | Tempel |
| Temple | Terpening | Terree | Terrill | Thamon | Tharp | Thomas |
| Thompson | Thorp | Tittler | Tod | Todd | Totten | Travis |
| Treaster | Tremain | Tresler | Truby | Trussel | Tryla | Tucker |
| Turk | Turner | Tyler |
