Tous les combattants
 | Rogelio Luna | 1-1-0 REC | #6865 |  |
 | Roger Blanque | 0-1-0 REC | #7688 |  |
 | Roger Bowling | 0-2-0, 1NC UFC | #5641 | |
 | Roger Gracie | 0-1-0 UFC | #4094 |  |
 | Roger Hollett | 0-2-0 UFC | #5038 |  |
 | Roger Huerta | 6-2-0 UFC | #1944 | |
 | Roger Narvaez | 1-2-0 UFC | #3936 | |
 | Roger Severson | 0-2-0 REC | #4947 | |
 | Roger Zapata | 0-1-0 UFC | #6789 | |
 | Rogerio Bontorin | 2-3-0, 1NC UFC | #2940 | |
 | Roggy Lawson | 1-0-0 REC | #7966 |  |
 | Roland Delorme | 3-3-0, 1NC UFC | #3271 | |
 | Roland Dunlap | 1-1-0 REC | #4531 | |
 | Roland Payne | 0-1-0 UFC | #4913 | |
 | Roland Pruden | 1-1-0 REC | #3329 | |
 | Roland Szolnoki | 1-0-0 REC | #7918 |  |
 | Rolando Bedoya | 0-4-0 UFC | #3161 |  |
 | Rolando Dy | 1-3-0 UFC | #3971 |  |
 | Roldan Sangcha-an | 0-2-0 UFC | #5148 | |
 | Roli Delgado | 1-2-0 UFC | #4726 | |
 | Rolles Gracie | 0-1-0 UFC | #6365 | |
 | Romain Debienne | 3-5-0 REC | #856 | |
 | Romain Tango Ngouodjou | 0-2-0 REC | #2097 | |
 | Roman Bogatov | 0-1-0 UFC | #7516 |  |
 | Roman David | 1-0-0 REC | #2941 |  |