Tous les combattants
 | Jae Hyun Park | 1-2-0 REC | #3015 |  |
 | Jaeleen Robledo | 1-0-0 REC | #3426 |  |
 | Jafar Yousifi | #8400 |  | |
 | Jafel Filho | 3-3-0 UFC | #1516 |  |
 | Jai Herbert | 4-5-1 UFC | #779 |  |
 | Jaida Harshman | 0-1-0 REC | #6002 | |
 | Jailton Almeida | 8-3-0 UFC | #453 | |
 | Jaime Alvarez | 1-0-0 REC | #6423 | |
 | Jaime Lloyd | 1-0-0 REC | #2816 | |
 | Jaime Mora-Munoz | 0-1-0 REC | #7954 | |
 | Jaimee Nievera | 0-1-0 REC | #5756 | |
 | Jainer Ruiz-Jimenez | 0-1-0 REC | #5047 |  |
 | Jair de Oliveira | 0-1-0 REC | #5576 | |
 | Jair Farias | 0-1-0 REC | #7658 | |
 | Jairo Pacheco | 0-2-0 REC | #6346 | |
 | Jairzinho Rozenstruik | 9-6-0 UFC | #652 |  |
 | Jake Babian | 0-1-0 REC | #4163 | |
 | Jake Bower | 0-1-0 REC | #7351 | |
 | Jake Childers | 0-1-0 REC | #6256 | |
 | Jake Collier | 5-9-0 UFC | #1799 | |
 | Jake Ellenberger | 10-11-0 UFC | #949 | |
 | Jake Hadley | 3-4-0 UFC | #1471 | |
 | Jake Hecht | 1-2-0 UFC | #4663 | |
 | Jake Heun | 0-1-0 REC | #7850 | |
 | Jake Hixenbaugh | 0-2-0 REC | #4944 | |