Tous les combattants
 | Kazuhiro Nakamura | 0-2-0 UFC | #4570 |  |
 | Kazuki Aimoto | #7313 | | |
 | Kazuki Tokudome | 1-3-0 UFC | #3664 | |
 | Kazuma Maruyama | 0-1-0 REC | #6415 | |
 | Kazumasa Majima | 1-1-0 REC | #1209 | |
 | Kazuo Takahashi | 1-0-0 UFC | #5026 | |
 | Kazushi Sakuraba | 1-0-0, 1NC UFC | #3578 | |
 | KB Bhullar | 0-2-0 UFC | #5126 |  |
 | Keegan Witbeck | 0-1-0 REC | #7046 |  |
 | Kegan Agnew | 0-1-0 REC | #6498 | |
 | Kegan Gennrich | 2-2-0 REC | #3264 | |
 | Keigo Kunihara | 0-1-0 UFC | #6689 | |
 | Keiichiro Nakamura | 3-0-0 REC | #356 | |
 | Keiichiro Yamamiya | 0-1-0 UFC | #6623 | |
 | Keir Harvie | 2-3-0 REC | #2969 |  |
 | Keisuke Sasu | 1-3-0 REC | #3312 | |
 | Keita Nakamura | 4-7-0 UFC | #2124 | |
 | Keith Berish | 0-1-0, 1NC UFC | #4463 | |
 | Keith Hackney | 2-2-0 UFC | #2694 | |
 | Keith Jardine | 6-7-0 UFC | #1614 | |
 | Keith Keogh | 3-0-0 REC | #240 |  |
 | Keith Mielke | 0-1-0 UFC | #5905 | |
 | Keith Rockel | 1-1-0 UFC | #5173 | |
 | Keith Wisniewski | 0-4-0 UFC | #3802 | |
 | Keito Oyama | 2-1-0 REC | #1460 | |