Poids Plumes Hommes
 | Javier Reyes | 1-1-0 UFC | #739 |  |
 | Javier Vazquez | 1-0-0 UFC | #5246 |  |
 | Jay Cucciniello | 0-1-0 UFC | #6000 |  |
 | Jean Silva | 6-1-0 UFC | #130 |  |
 | Jeka Saragih | 1-3-0 UFC | #2513 |  |
 | Jeong Yeong Lee | 2-2-0 UFC | #1729 |  |
 | Jeremy Kennedy | 3-1-0 UFC | #1506 |  |
 | Jeremy Larsen | 0-3-0 UFC | #4903 | |
 | Jesus Pinedo | 1-1-0 UFC | #256 |  |
 | Jianping Yang | 0-1-0 UFC | #5935 |  |
 | Jim Alers | 1-2-0, 1NC UFC | #3961 | |
 | Jim Hettes | 3-3-0 UFC | #3408 | |
 | Joanderson Brito | 7-3-0 UFC | #257 | |
 | Joao Roque | 0-1-0 UFC | #5063 |  |
 | Joey Gambino | 0-2-0 UFC | #5147 | |
 | John Albert | 1-4-0 UFC | #3666 | |
 | John Cofer | 0-2-0 UFC | #5433 | |
 | John Gunderson | 1-2-0 UFC | #4618 | |
 | John Teixeira da Conceicao | 0-1-0 UFC | #3517 | |
 | Jonathan Pearce | 5-4-0 UFC | #1653 | |