Tous les combattants
 | Roger Huerta | 6-2-0 UFC | #1930 |  |
 | Roger Narvaez | 1-2-0 UFC | #3825 | |
 | Roger Severson | 0-2-0 REC | #4712 | |
 | Roger Zapata | 0-1-0 UFC | #6585 | |
 | Rogerio Bontorin | 2-3-0, 1NC UFC | #2915 |  |
 | Roggy Lawson | 1-0-0 REC | #7854 |  |
 | Roland Delorme | 3-3-0, 1NC UFC | #3182 |  |
 | Roland Dunlap | 1-0-0 REC | #7354 | |
 | Roland Payne | 0-1-0 UFC | #4786 | |
 | Roland Pruden | 1-1-0 REC | #3179 | |
 | Roland Szolnoki | 1-0-0 REC | #7825 |  |
 | Rolando Bedoya | 0-4-0 UFC | #3065 |  |
 | Rolando Dy | 1-3-0 UFC | #3857 |  |
 | Roldan Sangcha-an | 0-2-0 UFC | #5019 | |
 | Roli Delgado | 1-2-0 UFC | #4638 | |
 | Rolles Gracie | 0-1-0 UFC | #6270 | |
 | Romain Debienne | 3-5-0 REC | #629 | |
 | Romain Tango Ngouodjou | 0-2-0 REC | #2018 | |
 | Roman Bogatov | 0-1-0 UFC | #7319 |  |
 | Roman David | 1-0-0 REC | #2679 |  |
 | Roman Dolidze | 9-5-0 UFC | #413 |  |
 | Roman Faraldo | 2-2-0 REC | #4074 | |
 | Roman Kiziuk | 0-1-0 REC | #6078 |  |
 | Roman Kopylov | 7-5-0 UFC | #372 | |
 | Roman Kurashvili | 1-0-0 REC | #1921 | |