Poids Plumes Hommes
 | Reinaldo Ekson | 1-1-0 REC | #6227 |  |
 | Ren Hiramoto | #6367 |  | |
 | Ren Sugiyama | 1-1-0 REC | #2043 | |
 | Renan Barao | 9-8-0 UFC | #292 | |
 | Renan Freitas | 1-0-0 REC | #836 | |
 | Reza Arianto | 0-1-0 REC | #7052 |  |
 | Ricardo de Almeida | 0-1-0 REC | #6177 | |
 | Ricardo Jimenez | 0-1-0 REC | #6994 |  |
 | Ricardo Lamas | 11-6-0 UFC | #550 | |
 | Ricardo Ramos | 8-7-0 UFC | #945 | |
 | Riccardo Sartirana | #7479 |  | |
 | Richie Smullen | 0-1-0 UFC | #2103 |  |
 | Ricky Maynez | 0-1-0 REC | #6983 | |
 | Ricky Turcios | 2-4-0 UFC | #1667 | |
 | Rijad Jaha | 1-1-0 REC | #4389 |  |
 | Rikuto Shirakawa | 0-1-0 REC | #5388 | |
 | Rob Fenicle | 0-1-0 REC | #6800 | |
 | Rob Whiteford | 2-3-0 UFC | #2752 |  |
 | Robbie Peralta | 4-3-0, 1NC UFC | #2769 | |
 | Robbie Ring | 0-1-0 REC | #6029 | |