Poids Plumes Hommes
 | Javier Vazquez | 1-0-0 UFC | #5247 |  |
 | Jay Cucciniello | 0-1-0 UFC | #5931 |  |
 | Jaylon McDaniel | 0-1-0 REC | #7221 | |
 | Jean Silva | 6-1-0 UFC | #126 |  |
 | Jean-Jacques Lubaya | 0-2-0 REC | #3954 |  |
 | Jeferson dos Santos | 0-1-0 REC | #6147 | |
 | Jefferson Pontes | 0-1-0 REC | #7196 | |
 | Jeka Saragih | 1-3-0 UFC | #2430 |  |
 | Jelle Zeegers | 0-1-0 REC | #6710 |  |
 | Jeong Yeong Lee | 2-2-0 UFC | #1678 |  |
 | Jeremy Alba | 1-0-0 REC | #6598 | |
 | Jeremy Henry | 0-2-0 REC | #4340 | |
 | Jeremy Kennedy | 3-1-0 UFC | #1455 |  |
 | Jeremy Larsen | 0-3-0 UFC | #4786 | |
 | Jerry Kvarnstrom | 0-1-0 REC | #7598 |  |
 | Jesse Stirn | 1-3-0 REC | #5018 | |
 | Jesus Pinedo | 1-1-0 UFC | #1206 |  |
 | Jhonatan Cordeiro | 0-1-0 REC | #5909 | |
 | Jianping Yang | 0-1-0 UFC | #6300 |  |
 | Jim Alers | 1-2-0, 1NC UFC | #3919 | |