Tous les combattants
 | Jason Saggo | 3-3-0 UFC | #3433 |  |
 | Jason Tan | 0-2-0 UFC | #5759 |  |
 | Jason Thacker | 0-1-0 UFC | #5055 | |
 | Jason Von Flue | 1-2-0 UFC | #3690 |  |
 | Jason Witt | 2-4-0 UFC | #3551 | |
 | Jason Young | 1-3-0 UFC | #3466 | |
 | Javad Mahjoub | #7478 |  | |
 | Javid Basharat | 4-2-0, 1NC UFC | #339 |  |
 | Javier Cepeda | 0-1-0 REC | #7444 | |
 | Javier Garcia | 1-1-0, 1NC REC | #4823 | |
 | Javier Reyes | 1-1-0 UFC | #1101 |  |
 | Javier Vazquez | 1-0-0 UFC | #5514 | |
 | Jawany Scott | 6-2-0 REC | #1503 | |
 | Jay Aspinwall | #7364 |  | |
 | Jay Cucciniello | 0-1-0 UFC | #6195 | |
 | Jay Hieron | 0-4-0 UFC | #4013 | |
 | Jay Jay Wilson | 4-2-0 REC | #1227 |  |
 | Jay Manning | 0-1-0 REC | #5947 | |
 | Jay Perrin | 0-3-0 UFC | #3594 | |
 | Jay Radick | 0-1-0 REC | #7480 | |
 | Jay Silva | 0-2-0 UFC | #4321 | |
 | Jayde Sheeley | 2-1-1 REC | #3898 | |
 | Jayden Taulker | 0-1-0 REC | #6128 | |
 | Jaylon Bates | 2-1-0 REC | #5367 | |
 | Jaylon McDaniel | 0-1-0 REC | #7420 | |