Poids Plumes Hommes
 | Jay Cucciniello | 0-1-0 UFC | #5981 |  |
 | Jean Silva | 6-1-0 UFC | #126 |  |
 | Jeka Saragih | 1-3-0 UFC | #2474 |  |
 | Jeong Yeong Lee | 2-2-0 UFC | #1703 |  |
 | Jeremy Kennedy | 3-1-0 UFC | #1488 |  |
 | Jeremy Larsen | 0-3-0 UFC | #4856 |  |
 | Jesus Pinedo | 1-1-0 UFC | #1261 |  |
 | Jianping Yang | 0-1-0 UFC | #5997 |  |
 | Jim Alers | 1-2-0, 1NC UFC | #3939 | |
 | Jim Hettes | 3-3-0 UFC | #3392 | |
 | Joanderson Brito | 7-3-0 UFC | #204 | |
 | Joao Roque | 0-1-0 UFC | #5032 |  |
 | Joey Gambino | 0-2-0 UFC | #5091 | |
 | John Albert | 1-4-0 UFC | #3647 | |
 | John Cofer | 0-2-0 UFC | #5350 | |
 | John Gunderson | 1-2-0 UFC | #4599 | |
 | John Teixeira da Conceicao | 0-1-0 UFC | #3456 | |
 | Jonathan Pearce | 5-4-0 UFC | #1632 | |
 | Joo Sang Yoo | 1-1-0 UFC | #2485 | |
 | Jordan Griffin | 1-4-0 UFC | #3361 | |