Tous les combattants
 | Keith Jardine | 6-7-0 UFC | #1710 |  |
 | Keith Keogh | 3-0-0 REC | #1182 |  |
 | Keith Mielke | 0-1-0 UFC | #6641 | |
 | Keith Rockel | 1-1-0 UFC | #5422 | |
 | Keith Wisniewski | 0-4-0 UFC | #4063 | |
 | Keito Oyama | 3-1-0 REC | #1087 |  |
 | Kellian Streicher | #7995 |  | |
 | Kellie Marin | 0-1-0 REC | #5925 | |
 | Kelly Dullanty | 0-1-0 UFC | #5837 | |
 | Kelly Faszholz | 0-2-0 UFC | #5229 | |
 | Kelly McGill-Velasco | 0-1-0 REC | #5871 | |
 | Kelly Ottoni | 0-1-0 REC | #7480 |  |
 | Kelly Staddon | #7147 |  | |
 | Kelsey DeSantis | 0-1-0 REC | #5965 | |
 | Kelton Sneve | 5-1-0 REC | #918 |  |
 | Kelvin Gastelum | 14-11-0, 1NC UFC | #229 | |
 | Kelvin Rayford | 0-1-0 REC | #6876 | |
 | Kelvin Sterling | 0-1-0 REC | #6241 | |
 | Kelvin Tiller | 3-4-0 REC | #3740 | |
 | Ken Burrs | 0-1-0 REC | #5977 | |
 | Ken Shamrock | 7-6-2 UFC | #612 | |
 | Ken Stone | 2-2-0 UFC | #3650 | |
 | Kenan Song | 6-5-0 UFC | #1565 |  |
 | Kendal Holowell | 0-2-0 REC | #5891 | |
 | Kendall Grove | 7-6-0 UFC | #1810 | |