Tous les combattants
 | Justin Levens | 0-2-0 UFC | #5947 |  |
 | Justin Martin | 1-0-0 UFC | #5893 | |
 | Justin McCully | 2-2-0 UFC | #4243 | |
 | Justin Montalvo | #6211 | | |
 | Justin Salas | 3-4-0 UFC | #3254 | |
 | Justin Scoggins | 4-5-0 UFC | #2680 | |
 | Justin Smith | #7586 | | |
 | Justin Sumter | #4843 | | |
 | Justin Tafa | 4-5-0, 1NC UFC | #1663 |  |
 | Justin Thompson | #8037 | | |
 | Justin Wetzell | #2673 | | |
 | Justin Willis | 4-1-0 UFC | #2838 | |
 | Justin Wren | 0-1-0 UFC | #7214 | |
 | Justine Kish | 3-4-0 UFC | #2440 |  |
 | Justyna Kulinska | #6348 |  | |
 | Jutaro Nakao | 1-1-0 UFC | #5185 |  |
 | Jyrgalbek Almazbek Uulu | #5875 |  | |
 | K.J. Noons | 2-3-0, 1NC UFC | #3725 | |
 | Kaan Ofli | 3-2-0 UFC | #995 | |
 | Kabylbek Bakyt uulu | #6742 | | |
 | Kacper Cholewa | 3-2-0 MMA | #6129 | |
 | Kacper Formela | 21-6-0 MMA | #1142 | |
 | Kacper Fornalski | #4037 | | |
 | Kacper Fratczak | 3-1-0 MMA | #1903 | |
 | Kacper Karski | #7614 | |