Tous les combattants
 | Riley Martinez | 1-1-0 REC | #4430 |  |
 | Rilley Dutro | 0-1-0 REC | #7415 | |
 | Rin Nakai | 0-2-0 UFC | #4256 |  |
 | Rinat Fakhretdinov | 6-0-1 UFC | #924 |  |
 | Rinya Nakamura | 4-1-0 UFC | #1150 | |
 | Rio Tirto | 0-1-0 REC | #4587 |  |
 | Risto Dimitrov | 0-1-0 REC | #7690 |  |
 | Rivaldo Pereira | 1-0-0 REC | #1573 |  |
 | Rizlen Zouak | 3-4-0 REC | #3102 |  |
 | Rizvan Kuniev | 2-1-0 UFC | #120 | |
 | Rizwan Ali | 1-0-0 REC | #2377 |  |
 | RJ Harris | 1-0-0 UFC | #326 | |
 | Roan Carneiro | 4-5-0 UFC | #2722 |  |
 | Roan Crocker | 1-0-0 REC | #1757 |  |
 | Rob Broughton | 1-2-0 UFC | #4494 |  |
 | Rob Earls | 0-1-0 REC | #5752 | |
 | Rob Fenicle | 0-1-0 REC | #6932 | |
 | Rob Font | 12-9-0 UFC | #369 | |
 | Rob Kimmons | 3-4-0 UFC | #3098 | |
 | Rob MacDonald | 1-2-0 UFC | #3796 |  |
 | Rob Whiteford | 2-3-0 UFC | #2931 |  |
 | Rob Wilkinson | 0-2-0 UFC | #481 |  |
 | Rob Yundt | 0-2-0 UFC | #5098 | |
 | Robbie Lawler | 15-10-0 UFC | #154 | |
 | Robbie Peralta | 4-3-0, 1NC UFC | #2944 | |