Poids Coqs Hommes
 | Jimmy Quinn | 3-2-0 REC | #3980 |  |
 | Jin Soo Son | 0-2-0 UFC | #4465 |  |
 | Jinnosuke Kashimura | 2-3-0 REC | #1437 |  |
 | Joab Souza | 0-1-0 REC | #6654 |  |
 | Joao Dos Santos | 0-1-0 REC | #6793 | |
 | Joao Lucas Oliveira | 1-1-0 REC | #5996 | |
 | Joao Menezes | 0-1-0 REC | #6149 | |
| Joao Vitor Pereira | 0-1-0 REC | #7557 | |
 | Joe Soto | 3-5-0 UFC | #2582 |  |
 | Joey Gomez | 0-2-0 UFC | #5149 | |
 | John Beckett | 2-0-0 REC | #5520 | |
 | John Castaneda | 4-4-1 UFC | #1628 | |
 | John Dodson | 10-7-0 UFC | #560 | |
 | John Garza | 0-1-0 UFC | #3554 | |
 | John Lineker | 12-4-0 UFC | #529 | |
 | John MaCalolooy | 0-1-0 REC | #7087 | |
 | John Sweeney | 1-1-0 REC | #5265 | |
 | John Yannis | 1-2-0 UFC | #1226 | |
 | Johnny Bedford | 2-3-0, 1NC UFC | #3460 | |
 | Johnny Campbell | 0-1-0 REC | #7006 | |