| Fighter | Record | Last Bout |
|---|---|---|
| Phillipe Nover | 11-8-1 | 2017-02-11 |
| Piera Rodriguez | 12-2-0 | 2026-03-14 |
| Pingyuan Liu | 13-7-0 | 2019-12-21 |
| Piotr Hallmann | 18-6-0 | 2015-11-07 |
| Poliana Botelho | 8-5-0 | 2022-06-04 |
| Polyana Viana | 13-9-0 | 2026-05-16 |
| Preston Parsons | 11-6-0 | 2025-01-11 |
| Priscila Cachoeira | 13-9-0 | 2026-06-06 |
| Puja Tomar | 9-6-0 | 2025-03-22 |
| Punahele Soriano | 13-5-0 | 2026-09-05 |
| Quang Le | 9-3-0 | 2025-09-13 |
| Quillan Salkilld | 13-1-0 | 2026-08-08 |
| Quinn Mulhern | 18-4-0 | 2014-01-04 |
| Quinton Jackson | 37-12-0 | 2015-04-25 |
| Rachael Ostovich | 4-6-0 | 2020-11-28 |
| Rafa Garcia | 19-4-0 | 2026-09-12 |
| Rafael Alves | 20-12-0 | 2023-02-25 |
| Rafael Carino | 2-1-1 | 1996-05-17 |
| Rafael Cavalcante | 12-7-0 (1 NC) | 2016-02-06 |
| Rafael Cerqueira | 11-4-0 | 2025-11-22 |
| Rafael Dos Anjos | 32-17-0 | 2026-10-03 |
| Rafael Estevam | 14-1-0 | 2026-04-04 |
| Rafael Fiziev | 14-5-0 | 2026-06-27 |
| Rafael Natal | 21-9-1 | 2017-07-22 |
| Rafael Tobias | 14-3-0 | 2026-08-15 |
| Rafaello Oliveira | 17-8-0 | 2014-02-22 |
| Rainy Martinez | 0-2-0 | 1997-02-07 |
| Ramazan Emeev | 20-6-0 | 2022-06-11 |
| Ramazan Temirov | 20-3-0 | 2026-10-24 |
| Rameau Thierry Sokoudjou | 18-18-0 | 2008-10-18 |
| Ramiro Hernandez | 19-9-0 | 2014-01-25 |
| Ramiz Brahimaj | 13-7-0 | 2026-08-15 |
| Ramon Taveras | 10-4-0 | 2025-09-27 |
| Ramona Pascual | 6-5-0 | 2022-11-05 |
| Ramsey Nijem | 9-6-0 | 2015-07-25 |
| Randa Markos | 11-12-1 | 2021-10-23 |
| Randy Brown | 20-8-0 | 2026-04-11 |
| Randy Costa | 6-4-0 | 2022-10-01 |
| Randy Couture | 19-11-0 | 2011-04-30 |
| Rani Yahya | 28-12-1 (1 NC) | 2024-04-27 |
| Raoni Barcelos | 22-5-0 | 2026-09-26 |
| Raphael Assuncao | 28-10-0 | 2023-03-11 |
| Raphael Pessoa | 10-2-0 | 2020-07-25 |
| Raquel Pennington | 16-10-0 | 2024-10-05 |
| Rashad Coulter | 9-4-0 | 2018-11-24 |
| Rashad Evans | 19-8-1 | 2018-06-09 |
| Rashid Magomedov | 20-2-0 | 2017-04-15 |
| Raul Rosas Jr. | 12-1-0 | 2026-09-26 |
| Raulian Paiva | 21-5-0 | 2022-06-25 |
| Ravena Oliveira | 7-5-1 | 2026-08-08 |