Tous les combattants
 | Keita Nakamura | 4-7-0 UFC | #2367 |  |
 | Keith Berish | 0-1-0, 1NC UFC | #4787 |  |
 | Keith Hackney | 2-2-0 UFC | #3004 | |
 | Keith Jardine | 6-7-0 UFC | #1714 | |
 | Keith Keogh | 3-0-0 REC | #1225 |  |
 | Keith Mielke | 0-1-0 UFC | #6683 | |
 | Keith Rockel | 1-1-0 UFC | #5428 | |
 | Keith Wisniewski | 0-4-0 UFC | #4084 | |
 | Keito Oyama | 3-1-0 REC | #1130 | |
 | Kellian Streicher | #7996 |  | |
 | Kellie Marin | 0-1-0 REC | #5962 | |
 | Kelly Dullanty | 0-1-0 UFC | #5849 | |
 | Kelly Faszholz | 0-2-0 UFC | #5241 | |
 | Kelly McGill-Velasco | 0-1-0 REC | #5841 | |
 | Kelly Ottoni | 0-1-0 REC | #7513 |  |
 | Kelly Staddon | #7074 |  | |
 | Kelsey DeSantis | 0-1-0 REC | #5893 | |
 | Kelton Sneve | 5-1-0 REC | #954 |  |
 | Kelvin Gastelum | 14-11-0, 1NC UFC | #233 | |
 | Kelvin Rayford | 0-1-0 REC | #6796 | |
 | Kelvin Sterling | 0-1-0 REC | #6201 | |
 | Kelvin Tiller | 3-4-0 REC | #3750 | |
 | Ken Burrs | 0-1-0 REC | #6047 | |
 | Ken Shamrock | 7-6-2 UFC | #616 | |
 | Ken Stone | 2-2-0 UFC | #3657 | |