Poids Légers Hommes
 | Rafael Fiziev | 7-5-0 UFC | #197 |  |
 | Rafaello Oliveira | 2-6-0 UFC | #3206 |  |
 | Rashid Magomedov | 5-1-0 UFC | #1164 |  |
 | Renato Moicano | 13-7-0 UFC | #54 |  |
 | Renee Forte | 1-3-0 UFC | #4124 | |
 | Reza Madadi | 3-4-0 UFC | #2784 |  |
 | Rich Clementi | 5-5-0 UFC | #2263 | |
 | Rich Crunkilton | 0-1-0 UFC | #6700 | |
 | Richie Hightower | 0-1-0 UFC | #5289 | |
 | Rick Davis | 0-1-0 UFC | #6774 | |
 | Ricky Glenn | 4-6-1 UFC | #2039 | |
 | Rodrigo de Lima | 0-2-0 UFC | #4448 | |
 | Rodrigo Vargas | 1-3-0 UFC | #3006 |  |
 | Roger Bowling | 0-2-0, 1NC UFC | #5246 | |
 | Rolando Bedoya | 0-4-0 UFC | #2834 |  |
 | Roman Mitichyan | 1-1-0 UFC | #4158 |  |
 | Ronys Torres | 0-2-0 UFC | #4702 | |
 | Roosevelt Roberts | 4-5-0, 1NC UFC | #1667 | |
 | Ross Pearson | 12-13-0, 1NC UFC | #670 |  |
 | Rustam Khabilov | 10-3-0 UFC | #715 | |