Poids Légers Hommes
 | Rafaello Oliveira | 2-6-0 UFC | #3071 |  |
 | Ramazan Kishev | 1-1-1 REC | #3367 |  |
 | Rana Singh | 0-2-0 REC | #3207 |  |
 | Randy Shores | 0-1-0 REC | #5639 | |
 | Raphael Mebenga | #7522 |  | |
 | Rashid Magomedov | 5-1-0 UFC | #1124 | |
 | Raul Tutarauli | 2-1-0 REC | #3723 |  |
| Rayhan Hilmi-Dias | 0-1-0 REC | #7397 | |
 | Reed Bleymeyer | 0-1-0 REC | #5673 | |
 | Renato Moicano | 12-7-0 UFC | #107 |  |
 | Renee Forte | 1-3-0 UFC | #4070 | |
 | Renzo Cortti | 0-1-0 REC | #7006 |  |
 | Reza Madadi | 3-4-0 UFC | #2649 |  |
 | Ricardo Seixas | 0-1-0 REC | #6164 | |
 | Rich Clementi | 5-5-0 UFC | #2172 | |
 | Rich Crunkilton | 0-1-0 UFC | #6457 | |
 | Richard Daffron | 0-1-0 REC | #6444 | |
| Richard Silva | #7582 | | |
 | Richie Hightower | 0-1-0 UFC | #5049 | |
 | Richie Lewis | 1-1-0 REC | #3851 | |