Poids Légers Hommes
 | Randy Mboyo | 1-0-0 REC | #1090 |  |
 | Raphael Mebenga | 0-1-0 REC | #5885 |  |
 | Rashid Magomedov | 5-1-0 UFC | #1207 |  |
 | Rasul Magomedov | 3-1-0 REC | #1654 | |
 | Raul Tutarauli | 2-1-0 REC | #4108 |  |
 | Rayan Lessa | 0-1-0 REC | #5478 |  |
 | Rayhan Hilmi-Dias | 0-1-0 REC | #7802 | |
 | Reed Bleymeyer | 0-1-0 REC | #6338 |  |
 | Renato Moicano | 13-7-0 UFC | #68 | |
 | Renee Forte | 1-3-0 UFC | #4430 | |
 | Renzo Cortti | 0-1-0 REC | #7538 |  |
 | Reza Madadi | 3-4-0 UFC | #3000 |  |
 | Ricardo Seixas | 0-1-0 REC | #6686 | |
 | Rich Clementi | 5-5-0 UFC | #2353 | |
 | Rich Crunkilton | 0-1-0 UFC | #7237 | |
 | Richard Daffron | 0-1-0 REC | #6870 | |
| Richard Silva | 1-0-0 REC | #1808 | |
 | Richie Hightower | 0-1-0 UFC | #6044 | |
 | Richie Lewis | 1-1-0 REC | #4591 | |
 | Richie Miranda | 0-1-0 UFC | #506 | |