Tous les combattants
 | Justin Wren | 0-1-0 UFC | #6997 |  |
 | Justine Kish | 3-4-0 UFC | #2439 |  |
 | Justyna Kulinska | 0-1-0 REC | #5886 |  |
 | Jutaro Nakao | 1-1-0 UFC | #4941 |  |
 | Jyrgalbek Almazbek Uulu | 0-1-0 REC | #5454 |  |
 | K.J. Noons | 2-3-0, 1NC UFC | #3534 | |
 | Kaan Ofli | 3-2-0 UFC | #497 |  |
 | Kabylbek Bakyt uulu | 0-1-0 REC | #6460 | |
 | Kacper Cholewa | #8178 | | |
 | Kacper Formela | 2-2-0 REC | #2050 | |
 | Kacper Fornalski | 1-2-0 REC | #3738 | |
 | Kacper Fratczak | 1-0-0 REC | #1632 | |
 | Kacper Karski | 0-1-0 REC | #7475 | |
 | Kacper Koziorzebski | 5-2-0 REC | #1507 | |
 | Kacper Matyszewski | 0-1-0 REC | #6630 | |
 | Kacper Paczoski | 1-0-0 REC | #2477 | |
 | Kacper Pakeltys | 1-0-0 REC | #2527 | |
 | Kacper Sochacki | 1-0-0 REC | #1914 | |
 | Kacper Wrobel | 0-1-0 REC | #5845 | |
 | Kadeem Perkins | 3-0-0 REC | #1035 |  |
 | Kadyn Marcantel | 0-1-0 REC | #7474 | |
 | Kafiz Sakibekov | 1-4-0 REC | #1201 |  |
 | Kai Asakura | 1-2-0 UFC | #407 | |
 | Kai Kamaka III | 2-3-1 UFC | #720 | |
 | Kai Kara-France | 8-5-0 UFC | #553 |  |