Poids Plumes Hommes
 | Ren Sugiyama | 1-1-0 REC | #2682 |  |
 | Renan Barao | 9-8-0 UFC | #323 |  |
 | Renan Freitas | 1-0-0 REC | #1743 | |
 | Reza Arianto | 0-1-0 REC | #7137 |  |
 | Ricardo de Almeida | 0-1-0 REC | #6427 | |
 | Ricardo Jimenez | 0-1-0 REC | #7402 |  |
 | Ricardo Lamas | 11-6-0 UFC | #607 | |
 | Ricardo Ramos | 8-7-0 UFC | #1064 | |
 | Riccardo Sartirana | #7910 |  | |
 | Richie Smullen | 0-1-0 UFC | #2340 |  |
 | Ricky Maynez | 0-1-0 REC | #7271 | |
 | Ricky Rodriguez | #8145 | | |
 | Ricky Turcios | 2-4-0 UFC | #1904 | |
 | Rijad Jaha | 1-1-0 REC | #4758 |  |
 | Rikuto Shirakawa | 0-1-0 REC | #5535 | |
 | Rob Fenicle | 0-1-0 REC | #6950 | |
 | Rob Whiteford | 2-3-0 UFC | #2946 |  |
 | Robbie Peralta | 4-3-0, 1NC UFC | #2954 | |
 | Robbie Ring | 0-2-0 REC | #4217 | |
 | Robert Ruchala | 0-2-0 UFC | #1418 |  |