Poids Mi-Lourds Hommes
 | Reed Parrish | #1304 |  | |
 | Reese Andy | 0-2-0 UFC | #5737 | |
 | Reinier de Ridder | 5-2-0 UFC | #141 |  |
 | Renato Sobral | 6-4-0 UFC | #1813 |  |
 | Reylan Gracie | #6170 | | |
 | Reza Nasri | 0-1-0 UFC | #4860 |  |
 | Ricardo Romero | 1-2-0 UFC | #4707 | |
 | Riccardo Nosiglia | #7279 |  | |
 | Richard Muzaan | #6224 |  | |
 | Richardson Moreira | 0-2-0 UFC | #6589 | |
 | Riku Urholin | #6100 |  | |
 | Rob Wilkinson | 0-2-0 UFC | #771 |  |
 | Robert Drysdale | #7457 | | |
 | Robert Lau | 12-3-0 MMA | #974 |  |
 | Robert Whittaker | 18-7-0 UFC | #55 |  |
 | Rodney Wallace | 0-3-0 UFC | #5284 | |
 | Rodolfo Bellato | 2-2-1, 1NC UFC | #1020 | |
 | Roland Dunlap | #4305 | | |
 | Roland Payne | 0-1-0 UFC | #5153 | |
 | Roman Dolidze | 9-6-0 UFC | #465 |  |