Poids Légers Hommes
 | Ramazan Kishev | 1-1-1 REC | #3865 |  |
 | Rana Singh | 0-2-0 REC | #3637 |  |
 | Randy Mboyo | 1-0-0 REC | #623 |  |
 | Randy Shores | 0-1-0 REC | #5819 |  |
 | Raphael Mebenga | 0-1-0 REC | #5512 |  |
 | Rashid Magomedov | 5-1-0 UFC | #1183 | |
 | Raul Tutarauli | 2-1-0 REC | #3997 |  |
 | Rayan Lessa | 0-1-0 REC | #5436 |  |
| Rayhan Hilmi-Dias | 0-1-0 REC | #7719 | |
 | Reed Bleymeyer | 0-1-0 REC | #6126 | |
 | Renato Moicano | 13-7-0 UFC | #96 | |
 | Renee Forte | 1-3-0 UFC | #4287 | |
 | Renzo Cortti | 0-1-0 REC | #7366 |  |
 | Reza Madadi | 3-4-0 UFC | #2943 |  |
 | Ricardo Seixas | 0-1-0 REC | #6566 | |
 | Rich Clementi | 5-5-0 UFC | #2326 | |
 | Rich Crunkilton | 0-1-0 UFC | #6990 | |
 | Richard Daffron | 0-1-0 REC | #6702 | |
| Richard Silva | 1-0-0 REC | #1381 | |
 | Richie Hightower | 0-1-0 UFC | #5676 | |