Tous les combattants
 | Rin Nakai | 0-2-0 UFC | #4187 |  |
 | Rinat Fakhretdinov | 6-0-1 UFC | #877 |  |
 | Rinya Nakamura | 4-1-0 UFC | #1075 | |
 | Rio Tirto | 0-1-0 REC | #4418 |  |
 | Risto Dimitrov | 0-1-0 REC | #7566 |  |
 | Rivaldo Pereira | 1-0-0 REC | #1326 |  |
 | Rizlen Zouak | 3-4-0 REC | #3079 |  |
 | Rizvan Kuniev | 1-1-0 UFC | #234 | |
 | Rizwan Ali | 1-0-0 REC | #2194 |  |
 | RJ Harris | 2-0-0 REC | #878 |  |
 | Roan Carneiro | 4-5-0 UFC | #2710 |  |
 | Roan Crocker | 1-0-0 REC | #1500 |  |
 | Rob Broughton | 1-2-0 UFC | #4400 |  |
 | Rob Earls | 0-1-0 REC | #5670 | |
 | Rob Fenicle | 0-1-0 REC | #7086 | |
 | Rob Font | 12-9-0 UFC | #336 | |
 | Rob Kimmons | 3-4-0 UFC | #3063 | |
 | Rob MacDonald | 1-2-0 UFC | #3688 |  |
 | Rob Whiteford | 2-3-0 UFC | #2930 |  |
 | Rob Wilkinson | 0-2-0 UFC | #332 |  |
 | Rob Yundt | 0-2-0 UFC | #5024 | |
 | Robbie Lawler | 15-10-0 UFC | #149 | |
 | Robbie Peralta | 4-3-0, 1NC UFC | #2931 | |
 | Robbie Ring | 0-1-0 REC | #6510 | |
 | Robelis Despaigne | 1-2-0 UFC | #569 |  |