Poids Moyens Hommes
 | Ricardo Abreu | 1-1-0 UFC | #4743 |  |
 | Rich Franklin | 14-6-0 UFC | #244 |  |
 | Riki Fukuda | 2-3-0 UFC | #3435 |  |
 | Rob Earls | 0-1-0 REC | #5642 |  |
 | Rob Yundt | 0-2-0 UFC | #4795 | |
 | Robert Bryczek | 1-2-0 UFC | #1242 |  |
 | Robert Hale | 0-1-0 REC | #7247 | |
 | Robert Pukac | 5-8-0 REC | #1444 |  |
 | Robert Valentin | 1-3-0 UFC | #282 |  |
 | Robert Valiev | 0-2-0 REC | #5373 |  |
 | Robert Whittaker | 17-7-0 UFC | #66 |  |
 | Robin Roos | 0-3-0 REC | #3513 |  |
 | Rodolfo Vieira | 6-5-0 UFC | #762 | |
 | Rodrigo Ruas | 0-1-0 UFC | #6056 | |
 | Roger Gracie | 0-1-0 UFC | #4192 | |
 | Roger Narvaez | 1-2-0 UFC | #3660 | |
 | Roggy Lawson | 1-0-0 REC | #7611 |  |
 | Roman Dolidze | 9-5-0 UFC | #361 |  |
 | Roman Kopylov | 6-5-0 UFC | #584 | |
 | Romero Cotton | 1-2-0 REC | #5021 | |