Tous les combattants
 | Kegan Agnew | 0-1-0 REC | #7109 |  |
 | Kegan Gennrich | 2-2-0 REC | #3766 | |
 | Keigo Kunihara | 0-1-0 UFC | #7146 |  |
 | Keiichiro Nakamura | 3-0-0 REC | #1101 | |
 | Keiichiro Yamamiya | 0-1-0 UFC | #7094 | |
 | Keir Harvie | 2-3-0 REC | #3489 |  |
 | Keisuke Sasu | 1-4-0 REC | #3013 | |
 | Keita Nakamura | 4-7-0 UFC | #2328 | |
 | Keith Berish | 0-1-0, 1NC UFC | #4726 | |
 | Keith Hackney | 2-2-0 UFC | #2972 | |
 | Keith Jardine | 6-7-0 UFC | #1683 | |
 | Keith Keogh | 3-0-0 REC | #1033 |  |
 | Keith Mielke | 0-1-0 UFC | #6501 | |
 | Keith Rockel | 1-1-0 UFC | #5415 | |
 | Keith Wisniewski | 0-4-0 UFC | #4078 | |
 | Keito Oyama | 3-1-0 REC | #962 | |
 | Kellian Streicher | #7908 |  | |
 | Kellie Marin | 0-1-0 REC | #5695 | |
 | Kelly Dullanty | 0-1-0 UFC | #5813 | |
 | Kelly Faszholz | 0-2-0 UFC | #5123 | |
 | Kelly McGill-Velasco | 0-1-0 REC | #5714 | |
 | Kelly Ottoni | 0-1-0 REC | #7405 |  |
 | Kelly Staddon | #7232 |  | |
 | Kelsey DeSantis | 0-1-0 REC | #6000 | |
 | Kelton Sneve | 5-1-0 REC | #821 |  |