Poids Mi-Moyens Hommes
 | Reginaldo Junior | 4-0-0 REC | #899 |  |
 | Renato Verissimo | 1-2-0 UFC | #4089 |  |
 | Renzo Gracie | 0-1-0 UFC | #4144 | |
 | Rhalan Gracie | 0-1-0 REC | #6119 | |
 | Rhys McKee | 1-5-0 UFC | #1198 |  |
 | Ricardo Almeida | 6-5-0 UFC | #1908 | |
 | Ricardo Funch | 0-4-0 UFC | #3721 | |
 | Rich Attonito | 3-2-0 UFC | #2991 | |
 | Richard Martins | 4-0-0 REC | #997 | |
 | Richard Walsh | 2-3-0, 1NC UFC | #3044 |  |
 | Rick Story | 12-7-0 UFC | #417 | |
 | Ricky Rainey | 0-2-0 UFC | #5656 | |
 | Rico Farrington | 0-1-0 REC | #5843 |  |
 | Rinat Fakhretdinov | 6-0-1 UFC | #603 |  |
 | Roan Carneiro | 4-5-0 UFC | #2465 | |
 | Roan Crocker | 1-0-0 REC | #621 |  |
 | Rob Kimmons | 3-4-0 UFC | #2765 | |
 | Robbie Lawler | 15-10-0 UFC | #140 | |
 | Robert Constantin | 0-1-0 REC | #5141 |  |
 | Robert Maciejowski | 0-1-0 REC | #6823 |  |