Poids Plumes Hommes
 | Reginaldo Vieira | 1-2-0 UFC | #4406 |  |
 | Renan Barao | 9-8-0 UFC | #341 | |
 | Ricardo Lamas | 11-6-0 UFC | #624 |  |
 | Ricardo Ramos | 8-7-0 UFC | #1104 | |
 | Richie Smullen | 0-1-0 UFC | #2438 |  |
 | Ricky Turcios | 2-4-0 UFC | #1943 | |
 | Rob Whiteford | 2-3-0 UFC | #2991 |  |
 | Robbie Peralta | 4-3-0, 1NC UFC | #2998 | |
 | Robert Ruchala | 0-2-0 UFC | #1405 |  |
 | Roberto Romero | 0-2-0 UFC | #3069 |  |
 | Rocky Lee | 0-1-0 UFC | #4165 |  |
 | Rodolfo Rubio | 0-1-0 UFC | #6389 | |
 | Rodrigo Damm | 3-4-0 UFC | #3417 | |
 | Rodrigo Vera | 1-0-0 UFC | #1063 |  |
 | Rolando Dy | 1-3-0 UFC | #4050 |  |
 | Roli Delgado | 1-2-0 UFC | #4755 | |
 | Roman Bogatov | 0-1-0 UFC | #7601 |  |
 | Rony Jason | 4-4-0, 1NC UFC | #2562 | |
 | Ryan Hall | 5-1-0 UFC | #1170 | |
 | Ryan Kuse | 0-1-0 UFC | #2457 | |