Poids Plumes Hommes
 | Ren Sugiyama | 1-1-0 REC | #2022 |  |
 | Renan Barao | 9-8-0 UFC | #302 |  |
 | Renan Freitas | 1-0-0 REC | #790 | |
 | Reza Arianto | 0-1-0 REC | #7023 |  |
 | Ricardo de Almeida | 0-1-0 REC | #6147 | |
 | Ricardo Jimenez | 0-1-0 REC | #6970 |  |
 | Ricardo Lamas | 11-6-0 UFC | #554 | |
 | Ricardo Ramos | 8-7-0 UFC | #945 | |
 | Riccardo Sartirana | #7461 |  | |
 | Richie Smullen | 0-1-0 UFC | #2082 |  |
 | Ricky Maynez | 0-1-0 REC | #6944 | |
 | Ricky Turcios | 2-4-0 UFC | #1674 | |
 | Rijad Jaha | 1-1-0 REC | #4361 |  |
 | Rikuto Shirakawa | 0-1-0 REC | #5375 | |
 | Rob Fenicle | 0-1-0 REC | #6785 | |
 | Rob Whiteford | 2-3-0 UFC | #2748 |  |
 | Robbie Peralta | 4-3-0, 1NC UFC | #2757 | |
 | Robbie Ring | 0-1-0 REC | #6035 | |
 | Robert Ruchala | 0-2-0 UFC | #1183 |  |
 | Roberto Hernandez | 4-2-0 REC | #3175 | |