Tous les combattants
 | Kayla Yontef | 1-0-0 REC | #5697 |  |
 | Kaynan Kruschewsky | 0-2-0 UFC | #4034 |  |
 | Kaytlin Neil | 2-1-0 REC | #4304 | |
 | Kazakbai Tilenov | 0-1-0 REC | #6524 |  |
 | Kazbek Damaev | 0-1-0 REC | #6753 |  |
 | Kazuhiro Nakamura | 0-2-0 UFC | #5141 |  |
 | Kazuki Aimoto | #7964 | | |
 | Kazuki Tokudome | 1-3-0 UFC | #4211 | |
 | Kazuma Maruyama | 0-1-0 REC | #6652 | |
 | Kazumasa Majima | 2-2-0 REC | #1342 | |
 | Kazuo Takahashi | 1-0-0 UFC | #5166 | |
 | Kazushi Sakuraba | 1-0-0, 1NC UFC | #4041 | |
 | KB Bhullar | 0-2-0 UFC | #5784 |  |
 | Keegan Witbeck | 0-1-0 REC | #7891 | |
 | Kegan Agnew | 0-1-0 REC | #7612 | |
 | Kegan Gennrich | 3-2-0 REC | #1584 | |
 | Keigo Kunihara | 0-1-0 UFC | #7513 | |
 | Keiichiro Nakamura | 3-0-0 REC | #1628 | |
 | Keiichiro Yamamiya | 0-1-0 UFC | #7313 | |
 | Keir Harvie | 2-3-0 REC | #3825 |  |
 | Keisuke Sasu | 1-4-0 REC | #3165 | |
 | Keita Nakamura | 4-7-0 UFC | #2398 | |
 | Keith Berish | 0-1-0, 1NC UFC | #5050 | |
 | Keith Hackney | 2-2-0 UFC | #3084 | |
 | Keith Jardine | 6-7-0 UFC | #1736 | |