Tous les combattants
 | Keith Keogh | 4-0-0 REC | #348 |  |
 | Keith Mielke | 0-1-0 UFC | #7110 |  |
 | Keith Rockel | 1-1-0 UFC | #5714 | |
 | Keith Wisniewski | 0-4-0 UFC | #4233 | |
 | Keito Oyama | 4-1-0 REC | #562 |  |
 | Kellian Streicher | #8049 |  | |
 | Kellie Marin | 0-1-0 REC | #6638 | |
 | Kelly Dullanty | 0-1-0 UFC | #6056 | |
 | Kelly Faszholz | 0-2-0 UFC | #5467 | |
 | Kelly McGill-Velasco | 0-1-0 REC | #6234 | |
 | Kelly Ottoni | 0-1-0 REC | #7778 |  |
 | Kelly Staddon | #6426 |  | |
 | Kelsey DeSantis | 0-1-0 REC | #5762 | |
 | Kelton Sneve | 6-1-0 REC | #516 |  |
 | Kelvin Gastelum | 14-11-0, 1NC UFC | #261 | |
 | Kelvin Martinez | #8235 | | |
 | Kelvin Rayford | 0-1-0 REC | #6748 | |
 | Kelvin Sterling | 0-1-0 REC | #6393 | |
 | Kelvin Tiller | 3-4-0 REC | #3960 | |
 | Ken Burrs | 0-1-0 REC | #6576 | |
 | Ken Hasegawa | 0-1-0 REC | #7319 | |
 | Ken Shamrock | 7-6-2 UFC | #661 | |
 | Ken Stone | 2-2-0 UFC | #3827 | |
 | Kenan Song | 6-5-0 UFC | #1581 |  |
 | Kendal Holowell | 0-2-0 REC | #6344 | |