Poids Plumes Hommes
 | Jaylon McDaniel | 0-1-0 REC | #7393 |  |
 | Jean Silva | 6-1-0 UFC | #131 |  |
 | Jean-Jacques Lubaya | 0-2-0 REC | #4126 |  |
 | Jeferson dos Santos | 0-1-0 REC | #6416 | |
 | Jefferson Pontes | 0-1-0 REC | #7594 | |
 | Jeka Saragih | 1-3-0 UFC | #2499 |  |
 | Jelle Zeegers | 0-1-0 REC | #6750 |  |
 | Jeong Yeong Lee | 2-2-0 UFC | #1708 |  |
 | Jeremy Alba | 1-0-0 REC | #6678 | |
 | Jeremy Henry | 0-2-0 REC | #4699 | |
 | Jeremy Kennedy | 3-1-0 UFC | #1512 |  |
 | Jeremy Larsen | 0-3-0 UFC | #5017 | |
 | Jerry Kvarnstrom | 0-1-0 REC | #7766 |  |
 | Jesse Stirn | 1-3-0 REC | #5165 | |
 | Jesus Pinedo | 1-1-0 UFC | #374 |  |
 | Jhonatan Cordeiro | 0-1-0 REC | #6286 | |
 | Jianping Yang | 0-1-0 UFC | #5907 |  |
 | Jim Alers | 1-2-0, 1NC UFC | #4025 | |
 | Jim Hettes | 3-3-0 UFC | #3455 | |
 | Jin Aoi | 0-2-0 REC | #4082 |  |