| Fighter | Record | Last Bout |
|---|---|---|
| AJ Fletcher | 10-3-0 | 2023-09-23 |
| Adam Fugitt | 10-6-0 | 2026-01-24 |
| Alexandre Ferreira | 18-6-0 | 2010-11-13 |
| Allen Frye Jr. | 6-1-0 | 2025-12-13 |
| Andre Fialho | 16-8-0 (1 NC) | 2023-09-23 |
| Andre Fili | 25-14-0 (1 NC) | 2026-06-20 |
| Bartosz Fabinski | 15-5-0 | 2021-04-17 |
| Brian Foster | 27-10-0 | 2010-11-20 |
| Brianna Fortino | 9-3-0 | 2020-06-20 |
| Brodie Farber | 16-7-0 | 2008-12-10 |
| Brunno Ferreira | 15-4-0 | 2026-09-19 |
| CJ Fernandes | 14-8-3 | 2000-09-22 |
| Carlos Felipe | 11-2-0 | 2021-10-16 |
| Carol Foro | 10-1-0 | 2026-08-08 |
| Caros Fodor | 11-6-0 | 2013-02-23 |
| Cezar Ferreira | 13-8-0 | 2019-07-13 |
| Chris Fishgold | 18-4-1 | 2020-07-15 |
| Colin Fletcher | 14-8-0 | 2013-03-16 |
| Daniel Frunza | 9-4-0 | 2025-11-01 |
| Darrius Flowers | 13-9-1 | 2026-04-04 |
| Deiveson Figueiredo | 25-7-1 | 2026-10-03 |
| Denzel Freeman | 7-2-0 | 2026-01-24 |
| Diego Ferreira | 20-7-0 | 2026-08-08 |
| Dom Mar Fan | 9-3-0 | 2026-05-02 |
| Don Frye | 20-9-1 (1 NC) | 1996-12-07 |
| Drew Fickett | 42-21-0 | 2007-04-05 |
| Ebenezer Fontes Braga | 13-7-2 | 1998-10-16 |
| Edward Faaloloto | 2-5-0 | 2011-11-05 |
| Edwin Figueroa | 9-5-0 | 2013-11-16 |
| Fabia Sintes | 12-3-0 | 2026-09-05 |
| Fabiano Iha | 9-5-0 | 2001-09-28 |
| Fabiano Scherner | 11-10-0 (3 NC) | 2006-05-27 |
| Fabio Cherant | 7-4-0 | 2022-02-12 |
| Fabio Gurgel | 3-2-0 | 1996-09-20 |
| Fabio Maldonado | 23-11-0 | 2015-11-07 |
| Fabricio Camoes | 14-9-1 | 2014-10-25 |
| Fabricio Werdum | 24-9-1 | 2020-07-25 |
| Falaniko Vitale | 30-11-0 | 2003-11-21 |
| Fares Ziam | 18-6-0 | 2026-09-05 |
| Farid Basharat | 16-0-0 | 2026-07-11 |
| Farman Hasanov | 6-0-0 | 2026-06-27 |
| Fatima Kline | 10-1-0 | 2026-07-18 |
| Felice Herrig | 14-10-0 | 2022-06-04 |
| Felicia Spencer | 9-3-0 | 2021-11-13 |
| Felipe Arantes | 18-10-1 (2 NC) | 2018-06-23 |
| Felipe Bunes | 14-9-0 | 2026-02-28 |
| Felipe Colares | 10-4-0 | 2022-05-21 |
| Felipe Franco | 11-2-0 | 2026-07-18 |
| Felipe Lima | 15-2-0 | 2026-09-05 |
| Felipe Olivieri | 14-5-0 (1 NC) | 2016-01-30 |