Tous les combattants
 | Keith Mielke | 0-1-0 UFC | #6159 |  |
 | Keith Rockel | 1-1-0 UFC | #5416 | |
 | Keith Wisniewski | 0-4-0 UFC | #3955 | |
 | Keito Oyama | 2-1-0 REC | #1575 |  |
 | Kellian Streicher | #7642 |  | |
 | Kellie Marin | 0-1-0 REC | #5110 | |
 | Kelly Dullanty | 0-1-0 UFC | #5969 | |
 | Kelly Faszholz | 0-2-0 UFC | #4909 | |
 | Kelly McGill-Velasco | 0-1-0 REC | #5234 | |
 | Kelly Ottoni | 0-1-0 REC | #7221 |  |
 | Kelly Staddon | #7050 |  | |
 | Kelsey DeSantis | 0-1-0 REC | #6408 | |
 | Kelton Sneve | 5-1-0 REC | #420 |  |
 | Kelvin Gastelum | 14-11-0, 1NC UFC | #196 | |
 | Kelvin Rayford | 0-1-0 REC | #6239 | |
 | Kelvin Sterling | 0-1-0 REC | #5858 | |
 | Kelvin Tiller | 3-4-0 REC | #3503 | |
 | Ken Burrs | 0-1-0 REC | #6330 | |
 | Ken Shamrock | 7-6-2 UFC | #611 | |
 | Ken Stone | 2-2-0 UFC | #3407 | |
 | Kenan Song | 6-5-0 UFC | #1437 |  |
 | Kendal Holowell | 0-2-0 REC | #5387 | |
 | Kendall Grove | 7-6-0 UFC | #1726 | |
 | Kendall Sandifer | 1-0-0 REC | #5894 | |
 | Kendly St. Louis | 3-2-0 REC | #1878 | |