Tous les combattants
 | Justin Willis | 4-1-0 UFC | #2693 |  |
 | Justin Wren | 0-1-0 UFC | #6720 | |
 | Justine Kish | 3-4-0 UFC | #2247 |  |
 | Justyna Kulinska | 0-1-0 REC | #5525 |  |
 | Jutaro Nakao | 1-1-0 UFC | #4700 |  |
 | Jyrgalbek Almazbek Uulu | 0-1-0 REC | #5291 |  |
 | K.J. Noons | 2-3-0, 1NC UFC | #3254 | |
 | Kaan Ofli | 2-2-0 UFC | #911 |  |
 | Kabylbek Bakyt uulu | 0-1-0 REC | #6402 | |
 | Kacper Formela | 2-2-0 REC | #1483 | |
 | Kacper Fornalski | 1-2-0 REC | #3369 | |
 | Kacper Fratczak | 1-0-0 REC | #805 | |
 | Kacper Karski | 0-1-0 REC | #6907 | |
 | Kacper Koziorzebski | 5-2-0 REC | #1109 | |
 | Kacper Matyszewski | 0-1-0 REC | #6550 | |
 | Kacper Paczoski | 1-0-0 REC | #1864 | |
 | Kacper Pakeltys | 1-0-0 REC | #1928 | |
 | Kacper Sochacki | 1-0-0 REC | #1153 | |
 | Kadeem Perkins | 2-0-0 REC | #1546 |  |
 | Kadyn Marcantel | 0-1-0 REC | #6992 | |
 | Kafiz Sakibekov | 1-3-0 REC | #577 |  |
 | Kai Asakura | 0-2-0 UFC | #682 | |
 | Kai Kamaka III | 2-2-1 UFC | #658 | |
 | Kai Kara-France | 8-5-0 UFC | #483 |  |
 | Kai Lu | 1-2-0 REC | #4457 |  |