Poids Mi-Moyens Hommes
 | Rayan Atmani | 1-1-0 REC | #948 |  |
 | Redouane Taybi | #6932 |  | |
 | Reginaldo Junior | 4-1-0 REC | #1533 |  |
 | Renato Verissimo | 1-2-0 UFC | #4573 |  |
 | Renzo Gracie | 0-1-0 UFC | #4735 | |
 | Rhalan Gracie | 0-1-0 REC | #6716 | |
 | Rhys McKee | 1-5-0 UFC | #993 |  |
 | Ricardo Almeida | 6-5-0 UFC | #2141 | |
 | Ricardo Funch | 0-4-0 UFC | #4132 | |
 | Rich Attonito | 3-2-0 UFC | #3329 | |
 | Richard Martins | 5-0-0 REC | #952 | |
 | Richard Walsh | 2-3-0, 1NC UFC | #3529 |  |
 | Rick Story | 12-7-0 UFC | #479 | |
 | Ricky Rainey | 0-2-0 UFC | #5753 | |
 | Rico Farrington | 0-1-0 REC | #6287 |  |
 | Rinat Fakhretdinov | 6-0-1 UFC | #965 |  |
 | Rivaldo Pereira | 1-0-0 REC | #1761 |  |
 | Roan Carneiro | 4-5-0 UFC | #2760 | |
 | Roan Crocker | 1-0-0 REC | #1967 |  |
 | Rob Kimmons | 3-4-0 UFC | #3161 | |