Poids Plumes Hommes
 | Regezhen | 0-1-0 REC | #5632 |  |
 | Reginaldo Vieira | 1-2-0 UFC | #4175 |  |
 | Regivaldo Carvalho | 0-2-0 REC | #3914 | |
 | Reinaldo Ekson | 1-1-0 REC | #6477 | |
 | Ren Hiramoto | #6214 |  | |
 | Ren Sugiyama | 1-1-0 REC | #2419 | |
 | Renan Barao | 9-8-0 UFC | #305 | |
 | Renan Freitas | 1-0-0 REC | #1382 | |
 | Reza Arianto | 0-1-0 REC | #7193 |  |
 | Ricardo de Almeida | 0-1-0 REC | #6318 | |
 | Ricardo Jimenez | 0-1-0 REC | #7371 |  |
 | Ricardo Lamas | 11-6-0 UFC | #571 | |
 | Ricardo Ramos | 8-7-0 UFC | #989 | |
 | Riccardo Sartirana | #7773 |  | |
 | Richie Smullen | 0-1-0 UFC | #2141 |  |
 | Ricky Maynez | 0-1-0 REC | #7270 | |
 | Ricky Turcios | 2-4-0 UFC | #1842 | |
 | Rijad Jaha | 1-1-0 REC | #4626 |  |
 | Rikuto Shirakawa | 0-1-0 REC | #5532 | |
 | Rob Fenicle | 0-1-0 REC | #7045 | |