Poids Légers Hommes
 | Rafaello Oliveira | 2-6-0 UFC | #3054 |  |
 | Rashid Magomedov | 5-1-0 UFC | #1125 |  |
 | Renato Moicano | 12-7-0 UFC | #105 |  |
 | Renee Forte | 1-3-0 UFC | #4057 | |
 | Reza Madadi | 3-4-0 UFC | #2636 |  |
 | Rich Clementi | 5-5-0 UFC | #2165 | |
 | Rich Crunkilton | 0-1-0 UFC | #6454 | |
 | Richie Hightower | 0-1-0 UFC | #5046 | |
 | Richie Smullen | 0-1-0 UFC | #1868 |  |
 | Rick Davis | 0-1-0 UFC | #6626 | |
 | Ricky Glenn | 4-6-1 UFC | #1961 | |
 | Rodrigo de Lima | 0-2-0 UFC | #4322 | |
 | Rodrigo Vargas | 1-3-0 UFC | #2910 |  |
 | Roger Bowling | 0-2-0, 1NC UFC | #5082 | |
 | Rolando Bedoya | 0-4-0 UFC | #2705 |  |
 | Roman Mitichyan | 1-1-0 UFC | #3984 |  |
 | Ronys Torres | 0-2-0 UFC | #4522 | |
 | Roosevelt Roberts | 4-5-0, 1NC UFC | #1696 | |
 | Ross Pearson | 12-13-0, 1NC UFC | #643 |  |
 | Rustam Khabilov | 10-3-0 UFC | #691 | |