Poids Plumes Hommes
 | Jay Cucciniello | 0-1-0 UFC | #5757 |  |
 | Jean Silva | 6-1-0 UFC | #120 |  |
 | Jeka Saragih | 1-3-0 UFC | #2386 |  |
 | Jeong Yeong Lee | 2-2-0 UFC | #1635 |  |
 | Jeremy Kennedy | 3-1-0 UFC | #1398 |  |
 | Jeremy Larsen | 0-3-0 UFC | #4673 |  |
 | Jesus Pinedo | 1-1-0 UFC | #1151 |  |
 | Jianping Yang | 0-1-0 UFC | #6337 |  |
 | Jim Alers | 1-2-0, 1NC UFC | #3856 | |
 | Jim Hettes | 3-3-0 UFC | #3298 | |
 | Joanderson Brito | 6-3-0 UFC | #579 | |
 | Joao Roque | 0-1-0 UFC | #5047 |  |
 | Joey Gambino | 0-2-0 UFC | #5046 | |
 | John Albert | 1-4-0 UFC | #3587 | |
 | John Cofer | 0-2-0 UFC | #5152 | |
 | John Gunderson | 1-2-0 UFC | #4494 | |
 | John Teixeira da Conceicao | 0-1-0 UFC | #3269 | |
 | Jonathan Pearce | 5-4-0 UFC | #1599 | |
 | Joo Sang Yoo | 1-1-0 UFC | #2325 | |
 | Jordan Griffin | 1-4-0 UFC | #3228 | |