Poids Plumes Hommes
 | Javier Vazquez | 1-0-0 UFC | #5252 |  |
 | Jay Cucciniello | 0-1-0 UFC | #5951 |  |
 | Jean Silva | 6-1-0 UFC | #127 |  |
 | Jeka Saragih | 1-3-0 UFC | #2421 |  |
 | Jeong Yeong Lee | 2-2-0 UFC | #1662 |  |
 | Jeremy Kennedy | 3-1-0 UFC | #1443 |  |
 | Jeremy Larsen | 0-3-0 UFC | #4753 | |
 | Jesus Pinedo | 1-1-0 UFC | #1186 |  |
 | Jianping Yang | 0-1-0 UFC | #6337 |  |
 | Jim Alers | 1-2-0, 1NC UFC | #3895 | |
 | Jim Hettes | 3-3-0 UFC | #3352 | |
 | Joanderson Brito | 7-3-0 UFC | #147 | |
 | Joao Roque | 0-1-0 UFC | #5097 |  |
 | Joey Gambino | 0-2-0 UFC | #5112 | |
 | John Albert | 1-4-0 UFC | #3615 | |
 | John Cofer | 0-2-0 UFC | #5303 | |
 | John Gunderson | 1-2-0 UFC | #4563 | |
 | John Teixeira da Conceicao | 0-1-0 UFC | #3353 | |
 | Jonathan Pearce | 5-4-0 UFC | #1611 | |
 | Joo Sang Yoo | 1-1-0 UFC | #2384 | |