Tous les combattants
 | Kayla Yontef | 1-0-0 REC | #5460 |  |
 | Kaynan Kruschewsky | 0-2-0 UFC | #3862 |  |
 | Kaytlin Neil | 2-1-0 REC | #3929 | |
 | Kazbek Damaev | 0-1-0 REC | #6021 |  |
 | Kazuhiro Nakamura | 0-2-0 UFC | #4701 |  |
 | Kazuki Aimoto | #7586 | | |
 | Kazuki Tokudome | 1-3-0 UFC | #3800 | |
 | Kazuma Maruyama | 0-1-0 REC | #6596 | |
 | Kazumasa Majima | 2-1-0 REC | #327 | |
 | Kazuo Takahashi | 1-0-0 UFC | #5084 | |
 | Kazushi Sakuraba | 1-0-0, 1NC UFC | #3666 | |
 | KB Bhullar | 0-2-0 UFC | #5290 |  |
 | Keegan Witbeck | 0-1-0 REC | #7250 | |
 | Kegan Agnew | 0-1-0 REC | #6721 | |
 | Kegan Gennrich | 2-2-0 REC | #3474 | |
 | Keigo Kunihara | 0-1-0 UFC | #6897 | |
 | Keiichiro Nakamura | 3-0-0 REC | #686 | |
 | Keiichiro Yamamiya | 0-1-0 UFC | #6863 | |
 | Keir Harvie | 2-3-0 REC | #3176 |  |
 | Keisuke Sasu | 1-3-0 REC | #3424 | |
 | Keita Nakamura | 4-7-0 UFC | #2213 | |
 | Keith Berish | 0-1-0, 1NC UFC | #4565 | |
 | Keith Hackney | 2-2-0 UFC | #2870 | |
 | Keith Jardine | 6-7-0 UFC | #1685 | |
 | Keith Keogh | 3-0-0 REC | #542 |  |