Poids Moyens Hommes
 | Rezi Aslambekov | 0-1-0 REC | #6976 |  |
 | Ricardo Abreu | 1-1-0 UFC | #4939 |  |
 | Rich Franklin | 14-6-0 UFC | #237 |  |
 | Riki Fukuda | 2-3-0 UFC | #3572 |  |
 | Rob Earls | 0-1-0 REC | #5659 |  |
 | Rob Yundt | 0-2-0 UFC | #5001 | |
 | Robert Bryczek | 1-2-0 UFC | #1248 |  |
 | Robert Hale | 0-1-0 REC | #7180 | |
 | Robert Pukac | 6-8-0 REC | #568 |  |
 | Robert Valentin | 1-3-0 UFC | #483 |  |
 | Robert Valiev | 0-2-0 REC | #5475 | |
 | Robert Whittaker | 17-7-0 UFC | #67 |  |
 | Robin Roos | 0-3-0 REC | #3664 |  |
 | Rodolfo Vieira | 6-5-0 UFC | #839 | |
 | Rodrigo Ruas | 0-1-0 UFC | #6236 | |
 | Roger Gracie | 0-1-0 UFC | #4167 | |
 | Roger Narvaez | 1-2-0 UFC | #3779 | |
 | Roggy Lawson | 1-0-0 REC | #7748 |  |
 | Roman Dolidze | 9-5-0 UFC | #403 |  |
 | Roman Kopylov | 7-5-0 UFC | #282 | |