Tous les combattants
 | Rogelio Luna | 1-1-0 REC | #6348 |  |
 | Roger Blanque | 0-1-0 REC | #6938 |  |
 | Roger Bowling | 0-2-0, 1NC UFC | #5137 | |
 | Roger Gracie | 0-1-0 UFC | #4087 |  |
 | Roger Hollett | 0-2-0 UFC | #4467 |  |
 | Roger Huerta | 6-2-0 UFC | #1814 | |
 | Roger Narvaez | 1-2-0 UFC | #3588 | |
 | Roger Severson | 0-2-0 REC | #4090 | |
 | Roger Zapata | 0-1-0 UFC | #6179 | |
 | Rogerio Bontorin | 2-3-0, 1NC UFC | #2617 | |
 | Roland Delorme | 3-3-0, 1NC UFC | #2879 | |
 | Roland Dunlap | 1-0-0 REC | #6986 | |
 | Roland Payne | 0-1-0 UFC | #4394 | |
 | Roland Pruden | 1-1-0 REC | #2752 | |
 | Roland Szolnoki | 1-0-0 REC | #7382 |  |
 | Rolando Bedoya | 0-4-0 UFC | #2754 |  |
 | Rolando Dy | 1-3-0 UFC | #3489 |  |
 | Roldan Sangcha-an | 0-2-0 UFC | #4853 | |
 | Roli Delgado | 1-2-0 UFC | #4344 | |
 | Rolles Gracie | 0-1-0 UFC | #5966 | |
 | Romain Debienne | 2-4-0 REC | #2070 |  |
 | Romain Tango Ngouodjou | 0-1-0 REC | #2589 | |
 | Roman Bogatov | 0-1-0 UFC | #6863 |  |
 | Roman David | 1-0-0 REC | #2038 |  |
 | Roman Dolidze | 9-5-0 UFC | #311 |  |