Tous les combattants
 | Joshua Onwordi | 1-3-0 REC | #3411 |  |
 | Joshua Perreira | 1-0-0 REC | #6491 |  |
 | Joshua Simpson | 1-0-0 REC | #4128 | |
 | Joshua Van | 10-1-0 UFC | #20 |  |
 | Joshua Weems | 0-1-0 UFC | #3798 | |
 | Josiah Harrell | 0-1-0 UFC | #1717 | |
 | Josiah Reyes | 1-1-0 REC | #5456 | |
 | Josiane Nunes | 3-3-0 UFC | #2491 |  |
 | Josiane Oliveira | 0-1-0 REC | #7310 | |
 | Josias Musasa | 0-2-0 UFC | #2595 |  |
 | Josiel Silva | 4-0-0, 1NC REC | #651 | |
 | Jostin Quilca | 0-1-0 REC | #5708 |  |
 | Josua Hernandez | 0-1-0 REC | #6924 |  |
 | Jota Ninomiya | 0-1-0 REC | #7503 | |
 | Journey Newson | 1-4-0, 1NC UFC | #3358 | |
 | Jovan Leka | 1-0-0 UFC | #416 |  |
 | Jovan Zeljkovic | 0-1-0 REC | #5920 | |
 | Jovana Dukic | 0-1-0 REC | #6650 | |
 | Jovidon Khojaev | 0-1-0 REC | #6366 |  |
 | Joy Pendell | 2-1-0 REC | #2836 | |
 | Jozef Jaloviar | 0-1-0 REC | #7566 |  |
 | Jozef Wittner | 1-3-0 REC | #3542 | |
 | Jozette Cotton | 0-1-0 REC | #6307 | |
 | JP Buys | 0-4-0 UFC | #3265 |  |
 | JR Coughran | 0-1-0 REC | #7191 | |