Poids Plumes Hommes
 | Riccardo Sartirana | #7674 |  | |
 | Richie Smullen | 0-1-0 UFC | #2328 |  |
 | Ricky Maynez | 0-1-0 REC | #7208 |  |
 | Ricky Turcios | 2-4-0 UFC | #1777 | |
 | Rijad Jaha | 1-1-0 REC | #4577 |  |
 | Rikuto Shirakawa | 0-1-0 REC | #5460 |  |
 | Rob Fenicle | 0-1-0 REC | #7090 | |
 | Rob Whiteford | 2-3-0 UFC | #2866 |  |
 | Robbie Peralta | 4-3-0, 1NC UFC | #2873 | |
 | Robbie Ring | 0-1-0 REC | #6298 | |
 | Robert Ruchala | 0-2-0 UFC | #1361 |  |
 | Roberto Hernandez | 4-2-0 REC | #3301 | |
 | Roberto Romero | 0-2-0 UFC | #2847 |  |
 | Rocky Lee | 0-1-0 UFC | #4122 |  |
 | Rodion Mubarakshin | 0-2-0 REC | #4730 |  |
 | Rodolfo Rubio | 0-1-0 UFC | #6354 | |
 | Rodrigo Brauna | 2-0-0 REC | #696 | |
 | Rodrigo Damm | 3-4-0 UFC | #3193 |  |
 | Rodrigo Praia | 1-1-0 REC | #5030 | |
 | Rodrigo Vera | 1-0-0 UFC | #444 |  |