Tous les combattants
 | 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 |  |
 | Kelvin Gastelum | 14-11-0, 1NC UFC | #224 | |
 | Kelvin Rayford | 0-1-0 REC | #6782 | |
 | Kelvin Sterling | 0-1-0 REC | #6145 | |
 | Kelvin Tiller | 3-4-0 REC | #3674 | |
 | Ken Burrs | 0-1-0 REC | #6015 | |
 | Ken Shamrock | 7-6-2 UFC | #600 | |
 | Ken Stone | 2-2-0 UFC | #3627 | |
 | Kenan Song | 6-5-0 UFC | #1544 |  |
 | Kendal Holowell | 0-2-0 REC | #5817 | |
 | Kendall Grove | 7-6-0 UFC | #1791 | |
 | Kendall Sandifer | 1-0-0 REC | #6354 | |
 | Kendall Whited | #7987 | |