Tous les combattants
 | Keith Jardine | 6-7-0 UFC | #1705 |  |
 | Keith Keogh | 3-0-0 REC | #1352 |  |
 | Keith Mielke | 0-1-0 UFC | #6769 | |
 | Keith Rockel | 1-1-0 UFC | #5475 | |
 | Keith Wisniewski | 0-4-0 UFC | #4117 | |
 | Keito Oyama | 3-1-0 REC | #1237 |  |
 | Kellian Streicher | #8013 |  | |
 | Kellie Marin | 0-1-0 REC | #6136 | |
 | Kelly Dullanty | 0-1-0 UFC | #5893 | |
 | Kelly Faszholz | 0-2-0 UFC | #5263 | |
 | Kelly McGill-Velasco | 0-1-0 REC | #5929 | |
 | Kelly Ottoni | 0-1-0 REC | #7585 |  |
 | Kelly Staddon | #6815 |  | |
 | Kelsey DeSantis | 0-1-0 REC | #5870 | |
 | Kelton Sneve | 5-1-0 REC | #1054 |  |
 | Kelvin Gastelum | 14-11-0, 1NC UFC | #242 | |
 | Kelvin Rayford | 0-1-0 REC | #6735 | |
 | Kelvin Sterling | 0-1-0 REC | #6168 | |
 | Kelvin Tiller | 3-4-0 REC | #3795 | |
 | Ken Burrs | 0-1-0 REC | #6205 | |
 | Ken Shamrock | 7-6-2 UFC | #631 | |
 | Ken Stone | 2-2-0 UFC | #3692 | |
 | Kenan Song | 6-5-0 UFC | #1531 |  |
 | Kendal Holowell | 0-2-0 REC | #5939 | |
 | Kendall Grove | 7-6-0 UFC | #1817 | |