Poids Plumes Hommes
 | Richie Smullen | 0-1-0 UFC | #2141 |  |
 | Ricky Turcios | 2-4-0 UFC | #1842 |  |
 | Rob Whiteford | 2-3-0 UFC | #2917 |  |
 | Robbie Peralta | 4-3-0, 1NC UFC | #2922 | |
 | Robert Ruchala | 0-2-0 UFC | #1422 |  |
 | Roberto Romero | 0-2-0 UFC | #2928 |  |
 | Rocky Lee | 0-1-0 UFC | #4107 |  |
 | Rodolfo Rubio | 0-1-0 UFC | #6185 | |
 | Rodrigo Damm | 3-4-0 UFC | #3244 |  |
 | Rodrigo Vera | 1-0-0 UFC | #584 |  |
 | Rolando Dy | 1-3-0 UFC | #3835 |  |
 | Roli Delgado | 1-2-0 UFC | #4635 | |
 | Roman Bogatov | 0-1-0 UFC | #7305 |  |
 | Rony Jason | 4-4-0, 1NC UFC | #2555 | |
 | Ryan Hall | 5-1-0 UFC | #1113 | |
 | Ryan Roberts | 0-1-0 UFC | #5941 | |
 | Sam Sicilia | 5-7-0 UFC | #2277 | |
 | Sean Soriano | 0-5-0 UFC | #3790 | |
 | Sean Woodson | 7-2-1 UFC | #750 | |
 | Seung Woo Choi | 4-7-0 UFC | #1528 |  |