Poids Légers Hommes
 | Rafael dos Anjos | 21-15-0 UFC | #91 |  |
 | Rafael Fiziev | 7-5-0 UFC | #206 |  |
 | Rafaello Oliveira | 2-6-0 UFC | #3349 |  |
 | Rashid Magomedov | 5-1-0 UFC | #1207 |  |
 | Renato Moicano | 13-7-0 UFC | #89 | |
 | Renee Forte | 1-3-0 UFC | #4278 | |
 | Reza Madadi | 3-4-0 UFC | #2930 |  |
 | Rich Clementi | 5-5-0 UFC | #2368 | |
 | Rich Crunkilton | 0-1-0 UFC | #6989 | |
 | Richie Hightower | 0-1-0 UFC | #5612 | |
 | Rick Davis | 0-1-0 UFC | #7038 | |
 | Ricky Glenn | 4-6-1 UFC | #2066 | |
 | Rodrigo de Lima | 0-2-0 UFC | #4603 | |
 | Rodrigo Vargas | 1-3-0 UFC | #3099 |  |
 | Roger Bowling | 0-2-0, 1NC UFC | #5463 | |
 | Rolando Bedoya | 0-4-0 UFC | #2998 |  |
 | Roman Mitichyan | 1-1-0 UFC | #4274 |  |
 | Rongzhu | 4-3-0 UFC | #263 |  |
 | Ronys Torres | 0-2-0 UFC | #4919 | |
 | Roosevelt Roberts | 4-5-0, 1NC UFC | #1783 | |