Poids Moyens Hommes
 | Ricardo Abreu | 1-1-0 UFC | #4542 |  |
 | Rich Franklin | 14-6-0 UFC | #225 |  |
 | Riki Fukuda | 2-3-0 UFC | #3261 |  |
 | Rob Earls | 0-1-0 REC | #5341 |  |
 | Rob Yundt | 0-2-0 UFC | #4582 | |
 | Robert Bryczek | 1-1-0 UFC | #1034 |  |
 | Robert Hale | 0-1-0 REC | #7083 | |
 | Robert Pukac | 5-8-0 REC | #1191 |  |
 | Robert Valentin | 0-3-0 UFC | #1469 |  |
 | Robert Valiev | 0-2-0 REC | #4971 |  |
 | Robert Whittaker | 17-7-0 UFC | #59 |  |
 | Robin Roos | 0-2-0 REC | #4476 |  |
 | Rodolfo Vieira | 6-4-0 UFC | #696 | |
 | Rodrigo Ruas | 0-1-0 UFC | #5861 | |
 | Roger Gracie | 0-1-0 UFC | #4061 | |
 | Roger Narvaez | 1-2-0 UFC | #3537 | |
 | Roman Dolidze | 9-4-0 UFC | #235 |  |
 | Roman Kopylov | 6-5-0 UFC | #561 | |
 | Romero Cotton | 1-2-0 REC | #4772 | |
 | Ron Stallings | 1-2-0 UFC | #3501 | |