Poids Mouches Hommes
 | Ray Borg | 7-5-0 UFC | #1310 |  |
 | Ray Taylor | 0-1-0 REC | #8096 | |
 | Raz Bring | 0-3-0 REC | #4719 |  |
 | Reda Hayfa | 0-1-0 REC | #5856 |  |
 | Redgie Hingston | 0-2-1 REC | #4205 |  |
 | Rei Tsuruya | 3-1-0 UFC | #542 |  |
 | Renildo Monteiro | 0-1-0 REC | #7399 |  |
 | Ricardo Lemos | 1-0-0 REC | #1779 | |
 | Ricardo Ramirez | 0-1-0 REC | #6409 |  |
 | Richard Mahan | 0-1-0 REC | #6405 | |
 | Richie Vaculik | 1-3-0 UFC | #3996 |  |
 | Rickson Zenidim | 0-1-0 REC | #6411 | |
 | Rilley Dutro | 0-1-0 REC | #7452 | |
 | Rio Tirto | 0-1-0 REC | #4615 |  |
 | Roberto Sanchez | 1-2-0 UFC | #4417 | |
 | Rodney Kealohi | 0-1-0 REC | #6656 | |
 | Rodrigo Roldan | 0-1-0 REC | #6455 |  |
 | Roldan Sangcha-an | 0-2-0 UFC | #5148 |  |
 | Romain Tango Ngouodjou | 0-2-0 REC | #2097 |  |
 | Romero dos Reis | 1-1-0 REC | #4055 | |