Poids Plumes Hommes
 | Javier Reyes | 1-0-0 UFC | #193 |  |
 | Javier Vazquez | 1-0-0 UFC | #5412 |  |
 | Jay Cucciniello | 0-1-0 UFC | #5725 |  |
 | Jaylon McDaniel | 0-1-0 REC | #6580 | |
 | Jean Silva | 6-1-0 UFC | #88 |  |
 | Jean-Jacques Lubaya | 0-1-0 REC | #5396 |  |
 | Jeferson dos Santos | 0-1-0 REC | #5766 | |
 | Jefferson Pontes | 0-1-0 REC | #6711 | |
 | Jeka Saragih | 1-3-0 UFC | #2242 |  |
 | Jelle Zeegers | 0-1-0 REC | #6341 |  |
 | Jeong Yeong Lee | 2-2-0 UFC | #1618 |  |
 | Jeremy Alba | 1-0-0 REC | #6359 | |
 | Jeremy Henry | 0-2-0 REC | #3872 | |
 | Jeremy Kennedy | 3-1-0 UFC | #1249 |  |
 | Jeremy Larsen | 0-3-0 UFC | #4370 | |
 | Jerry Kvarnstrom | 0-1-0 REC | #7194 |  |
 | Jesse Stirn | 1-3-0 REC | #4725 | |
 | Jesus Pinedo | 1-1-0 UFC | #855 |  |
 | Jhonatan Cordeiro | 0-1-0 REC | #5293 | |
 | Jianping Yang | 0-1-0 UFC | #6232 |  |