Poids Plumes Hommes
 | Jeka Saragih | 1-3-0 UFC | #2333 |  |
 | Jeong Yeong Lee | 2-2-0 UFC | #1599 |  |
 | Jeremy Kennedy | 3-1-0 UFC | #1301 |  |
 | Jeremy Larsen | 0-3-0 UFC | #4477 |  |
 | Jesus Pinedo | 1-1-0 UFC | #1000 |  |
 | Jianping Yang | 0-1-0 UFC | #6244 |  |
 | Jim Alers | 1-2-0, 1NC UFC | #3716 | |
 | Jim Hettes | 3-3-0 UFC | #3171 | |
 | Joanderson Brito | 6-3-0 UFC | #519 |  |
 | Joao Roque | 0-1-0 UFC | #4936 |  |
 | Joey Gambino | 0-2-0 UFC | #4853 | |
 | John Albert | 1-4-0 UFC | #3441 | |
 | John Cofer | 0-2-0 UFC | #4931 | |
 | John Gunderson | 1-2-0 UFC | #4346 | |
 | John Teixeira da Conceicao | 0-1-0 UFC | #3093 | |
 | John Yannis | 0-1-0 UFC | #4321 | |
 | Jonathan Pearce | 5-4-0 UFC | #1558 | |
 | Joo Sang Yoo | 1-1-0 UFC | #2260 | |
 | Jordan Griffin | 1-4-0 UFC | #3129 | |
 | Jordan Leavitt | 6-3-0 UFC | #417 | |