Tous les combattants
 | Kegan Agnew | 0-1-0 REC | #7284 |  |
 | Kegan Gennrich | 3-2-0 REC | #1203 | |
 | Keigo Kunihara | 0-1-0 UFC | #7238 |  |
 | Keiichiro Nakamura | 3-0-0 REC | #1319 | |
 | Keiichiro Yamamiya | 0-1-0 UFC | #7123 | |
 | Keir Harvie | 2-3-0 REC | #3599 |  |
 | Keisuke Sasu | 1-4-0 REC | #3088 | |
 | Keita Nakamura | 4-7-0 UFC | #2368 | |
 | Keith Berish | 0-1-0, 1NC UFC | #4805 | |
 | Keith Hackney | 2-2-0 UFC | #3005 | |
 | Keith Jardine | 6-7-0 UFC | #1707 | |
 | Keith Keogh | 3-0-0 REC | #1262 |  |
 | Keith Mielke | 0-1-0 UFC | #6750 | |
 | Keith Rockel | 1-1-0 UFC | #5427 | |
 | Keith Wisniewski | 0-4-0 UFC | #4107 | |
 | Keito Oyama | 3-1-0 REC | #1157 | |
 | Kellian Streicher | #7993 |  | |
 | Kellie Marin | 0-1-0 REC | #5980 | |
 | Kelly Dullanty | 0-1-0 UFC | #5842 | |
 | Kelly Faszholz | 0-2-0 UFC | #5221 | |
 | Kelly McGill-Velasco | 0-1-0 REC | #5851 | |
 | Kelly Ottoni | 0-1-0 REC | #7549 |  |
 | Kelly Staddon | #6969 |  | |
 | Kelsey DeSantis | 0-1-0 REC | #5862 | |
 | Kelton Sneve | 5-1-0 REC | #967 |  |