| Fighter | Record | Last Bout |
|---|---|---|
| Abel Trujillo | 15-8-0 (1 NC) | 2017-12-16 |
| Albert Tumenov | 18-4-0 | 2016-10-08 |
| Aleksandre Topuria | 7-1-0 | 2025-11-22 |
| Alex Torres | 5-4-0 | 2015-02-28 |
| Alexia Thainara | 15-1-0 | 2026-08-08 |
| Anthony Torres | 5-3-0 | 2007-09-08 |
| Anton Turkalj | 8-4-0 | 2024-03-30 |
| Antonio Trocoli | 12-7-0 (1 NC) | 2026-03-21 |
| Arman Tsarukyan | 23-3-0 | 2026-09-19 |
| Brad Tavares | 21-13-0 | 2026-03-14 |
| Brandon Thatch | 11-5-0 | 2016-12-30 |
| Carls John De Tomas | 6-2-0 | 2017-12-09 |
| Chris Tickle | 9-9-0 | 2012-06-01 |
| Chris Tuchscherer | 21-4-0 (1 NC) | 2011-02-26 |
| Colby Thicknesse | 9-1-0 | 2026-05-02 |
| Courtney Turner | 0-3-0 | 1998-03-13 |
| Daiju Takase | 12-15-2 | 2000-12-16 |
| Daniel Teymur | 7-4-0 | 2019-12-14 |
| Danielle Taylor | 9-4-0 | 2018-08-04 |
| Darren Till | 18-5-1 | 2022-12-10 |
| David Terrell | 6-2-0 | 2006-04-15 |
| David Teymur | 8-2-0 | 2019-02-02 |
| Denis Tiuliulin | 10-10-0 (1 NC) | 2024-08-03 |
| Dequan Townsend | 21-12-0 | 2020-10-03 |
| Din Thomas | 26-9-0 (1 NC) | 2008-04-02 |
| Dusko Todorovic | 13-7-0 | 2026-08-01 |
| Elias Theodorou | 16-3-0 | 2019-05-04 |
| Eugenio Tadeu | 2-3-0 (1 NC) | 1998-03-13 |
| Evan Tanner | 32-8-0 | 2008-06-21 |
| Francisco Trevino | 13-3-0 | 2015-10-03 |
| Francisco Trinaldo | 28-9-0 | 2022-10-01 |
| Frank Trigg | 21-9-0 | 2010-02-06 |
| Gavin Tucker | 13-3-0 | 2023-08-05 |
| Gleison Tibau | 33-14-0 | 2018-06-01 |
| Glover Teixeira | 33-9-0 | 2023-01-21 |
| Ilia Topuria | 17-1-0 | 2026-06-14 |
| Isaac Thomson | 9-3-0 | 2025-12-13 |
| Issei Tamura | 10-8-0 | 2013-03-16 |
| Jalin Turner | 16-9-0 | 2026-08-15 |
| James Te Huna | 16-9-0 | 2016-03-19 |
| James Toney | 0-1-0 | 2010-08-28 |
| Jason Tan | 5-3-0 | 2008-05-24 |
| Jason Thacker | 0-1-0 | 2005-04-09 |
| Jesse Taylor | 31-15-0 | 2017-07-07 |
| John Teixeira | 21-2-2 | 2012-06-23 |
| Jon Tuck | 10-5-0 | 2018-08-25 |
| Jose Torres | 8-1-0 | 2018-08-04 |
| Josh Thomson | 22-9-0 (1 NC) | 2015-07-15 |
| Jumabieke Tuerxun | 19-4-1 | 2014-11-07 |
| Junior Tafa | 7-6-0 | 2026-06-06 |