Poids Plumes Hommes
 | Ricardo Ramos | 8-7-0 UFC | #1036 |  |
 | Richie Smullen | 0-1-0 UFC | #2234 |  |
 | Ricky Turcios | 2-4-0 UFC | #1856 |  |
 | Rob Whiteford | 2-3-0 UFC | #2942 |  |
 | Robbie Peralta | 4-3-0, 1NC UFC | #2940 | |
 | Robert Ruchala | 0-2-0 UFC | #1417 |  |
 | Roberto Romero | 0-2-0 UFC | #2961 |  |
 | Rocky Lee | 0-1-0 UFC | #4114 |  |
 | Rodolfo Rubio | 0-1-0 UFC | #6185 | |
 | Rodrigo Damm | 3-4-0 UFC | #3306 | |
 | Rodrigo Vera | 1-0-0 UFC | #742 |  |
 | Rolando Dy | 1-3-0 UFC | #3910 |  |
 | Roli Delgado | 1-2-0 UFC | #4684 | |
 | Roman Bogatov | 0-1-0 UFC | #7375 |  |
 | Rony Jason | 4-4-0, 1NC UFC | #2569 | |
 | Ryan Hall | 5-1-0 UFC | #1143 | |
 | Ryan Roberts | 0-1-0 UFC | #5932 | |
 | Sam Sicilia | 5-7-0 UFC | #2305 | |
 | Sean Soriano | 0-5-0 UFC | #3842 | |
 | Sean Woodson | 7-2-1 UFC | #756 | |