| Fighter | Record | Last Bout |
|---|---|---|
| AJ Fletcher | 10-3-0 | 2023-09-23 |
| Alexandre Ferreira | 18-6-0 | 2010-11-13 |
| Andre Fialho | 16-8-0 (1 NC) | 2023-09-23 |
| 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 |
| CJ Fernandes | 14-8-3 | 2000-09-22 |
| Carlos Felipe | 11-2-0 | 2021-10-16 |
| 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 |
| 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 |
| 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 |
| 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 Colares | 10-4-0 | 2022-05-21 |
| Felipe Olivieri | 14-5-0 (1 NC) | 2016-01-30 |
| Felipe Silva | 8-2-0 | 2018-05-19 |
| Felix Lee Mitchell | 2-7-0 | 1996-12-07 |
| Fernando Bruno | 15-4-0 | 2016-07-08 |
| Fernie Garcia | 10-5-0 | 2024-02-10 |
| Filip Pejic | 12-2-2 | 2016-04-10 |
| Flavio Luiz Moura | 19-7-0 | 1999-07-16 |
| Floyd Sword | 12-3-0 | 2007-06-23 |
| Forrest Griffin | 19-7-0 | 2012-07-07 |
| Forrest Petz | 26-10-0 | 2010-09-15 |
| Francesco Maturi | 0-1-0 | 1995-09-08 |
| Francimar Barroso | 19-7-0 (1 NC) | 2018-01-20 |
| Francis Carmont | 25-12-0 | 2014-08-23 |
| Francis Ngannou | 17-3-0 | 2022-01-22 |
| Francisco Figueiredo | 13-5-1 (1 NC) | 2022-08-20 |
| Francisco Rivera | 11-7-0 (1 NC) | 2016-07-30 |
| Francisco Trevino | 13-3-0 | 2015-10-03 |
| Francisco Trinaldo | 28-9-0 | 2022-10-01 |
| Frank Camacho | 22-10-0 | 2022-05-14 |
| Frank Caracci | 2-3-0 | 1999-01-08 |