| Fighter | Record | Last Bout |
|---|---|---|
| TJ Waldburger | 16-9-0 | 2014-02-22 |
| Todd Brown | 16-4-0 (1 NC) | 2011-03-03 |
| Todd Butler | 1-4-0 | 1997-07-27 |
| Todd Duffee | 9-3-0 (1 NC) | 2019-09-14 |
| Todd Medina | 11-9-0 (1 NC) | 1995-04-07 |
| Tofiq Musayev | 24-6-0 | 2026-08-01 |
| Tom Aspinall | 15-3-0 (1 NC) | 2025-10-25 |
| Tom Blackledge | 10-7-0 | 2011-02-26 |
| Tom Breese | 12-3-0 | 2021-01-20 |
| Tom DeBlass | 9-2-0 | 2012-11-10 |
| Tom Duquesnoy | 16-2-0 (1 NC) | 2018-03-17 |
| Tom Egan | 7-5-0 | 2009-01-17 |
| Tom Gallicchio | 19-10-0 | 2017-07-07 |
| Tom Lawlor | 10-6-0 (1 NC) | 2016-03-05 |
| Tom Murphy | 8-0-0 | 2006-03-04 |
| Tom Niinimaki | 22-8-1 | 2014-12-20 |
| Tom Nolan | 11-1-0 | 2026-06-06 |
| Tom Watson | 17-9-0 | 2015-08-08 |
| Tomasz Drwal | 21-5-1 | 2010-09-15 |
| Tommy Gantt | 12-0-0 (1 NC) | 2026-09-12 |
| Tommy Hayden | 11-3-0 | 2012-08-11 |
| Tommy McMillen | 11-0-0 | 2026-09-12 |
| Tommy Speer | 21-7-0 | 2008-04-02 |
| Tony DeSouza | 11-4-0 | 2007-12-29 |
| Tony Ferguson | 26-11-0 | 2024-08-03 |
| Tony Fryklund | 14-9-1 | 2004-10-22 |
| Tony Gravely | 23-9-0 | 2023-03-11 |
| Tony Halme | 0-4-0 | 1997-05-30 |
| Tony Kelley | 8-3-0 | 2022-06-18 |
| Tony Petarra | 2-3-1 | 1999-05-07 |
| Tony Sims | 12-4-0 | 2016-01-02 |
| Tonya Evinger | 19-8-0 (1 NC) | 2019-06-01 |
| Tor Troeng | 16-7-1 | 2014-10-04 |
| Torrez Finney | 11-1-0 | 2026-01-31 |
| Toshiomi Kazama | 11-5-0 | 2025-08-09 |
| Townsend Saunders | 0-2-0 | 1999-01-08 |
| 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 |