| Fighter | Record | Last Bout |
|---|---|---|
| Tra Telligman | 7-5-1 | 2005-08-20 |
| Tracy Cortez | 12-4-0 | 2026-07-11 |
| Travis Browne | 18-7-1 | 2017-07-08 |
| Travis Fulton | 253-53-10 (1 NC) | 1999-07-16 |
| Travis Lutter | 10-6-0 | 2008-04-19 |
| Travis Wiuff | 75-21-0 (1 NC) | 2005-04-16 |
| Tre'ston Vines | 10-4-1 | 2025-10-04 |
| Trent Jenkins | 0-4-0 | 1995-12-16 |
| Tresean Gore | 8-4-0 | 2026-08-15 |
| Trevin Giles | 16-7-0 | 2024-11-02 |
| Trevin Jones | 13-10-0 (1 NC) | 2023-03-04 |
| Trevor Peek | 9-4-0 (1 NC) | 2026-09-05 |
| Trevor Prangley | 34-11-2 | 2006-04-06 |
| Trevor Smith | 15-10-0 | 2019-12-07 |
| Trey Ogden | 18-7-0 (1 NC) | 2025-01-11 |
| Trey Waters | 9-2-0 | 2025-09-06 |
| Tristan Connelly | 14-8-0 | 2022-04-30 |
| Troy Mandaloniz | 3-2-0 | 2009-02-21 |
| Tsuyoshi Kohsaka | 27-19-2 | 2002-05-10 |
| Tucker Lutz | 12-4-0 | 2023-07-15 |
| Tuco Tokkos | 11-6-0 | 2026-05-16 |
| Tulio Palhares | 2-16-0 | 1998-10-16 |
| Ty Miller | 8-0-0 (1 NC) | 2026-08-08 |
| Tyler Diamond | 9-1-0 | 2018-07-06 |
| Tyler Toner | 15-7-0 (1 NC) | 2010-12-04 |
| Tyrell Fortune | 18-4-0 (2 NC) | 2026-07-25 |
| Tyron Woodley | 19-7-1 | 2021-03-27 |
| Tyrone Roberts | 43-12-1 | 2000-06-09 |
| Tyson Griffin | 16-8-0 | 2011-10-29 |
| Tyson Nam | 21-14-1 | 2023-07-15 |
| Tyson Pedro | 10-5-0 | 2024-03-02 |
| Wellington Turman | 18-8-0 | 2023-12-02 |
| Yoshiki Takahashi | 30-27-3 (1 NC) | 1997-02-07 |
| Zhang Tiequan | 15-4-0 | 2012-11-10 |
| Zubaira Tukhugov | 20-6-1 | 2023-02-11 |