Poids Plumes Hommes
 | Jean Silva | 6-1-0 UFC | #111 |  |
 | Jeka Saragih | 1-3-0 UFC | #2372 |  |
 | Jeong Yeong Lee | 2-2-0 UFC | #1649 |  |
 | Jeremy Kennedy | 3-1-0 UFC | #1353 |  |
 | Jeremy Larsen | 0-3-0 UFC | #4573 |  |
 | Jesus Pinedo | 1-1-0 UFC | #1088 |  |
 | Jianping Yang | 0-1-0 UFC | #6321 |  |
 | Jim Alers | 1-2-0, 1NC UFC | #3802 | |
 | Jim Hettes | 3-3-0 UFC | #3247 | |
 | Joanderson Brito | 6-3-0 UFC | #564 | |
 | Joao Roque | 0-1-0 UFC | #4987 |  |
 | Joey Gambino | 0-2-0 UFC | #4967 | |
 | John Albert | 1-4-0 UFC | #3528 | |
 | John Cofer | 0-2-0 UFC | #5038 | |
 | John Gunderson | 1-2-0 UFC | #4442 | |
 | John Teixeira da Conceicao | 0-1-0 UFC | #3205 | |
 | John Yannis | 1-1-0 UFC | #485 | |
 | Jonathan Pearce | 5-4-0 UFC | #1585 | |
 | Joo Sang Yoo | 1-1-0 UFC | #2338 | |
 | Jordan Griffin | 1-4-0 UFC | #3161 | |