Poids Lourds Hommes
 | Karrar Hammodi | #6682 |  | |
 | Kasim Aras | 2-2-0 REC | #1273 |  |
 | Katsuhisa Fujii | 1-1-0 UFC | #5211 |  |
 | Katsuyoshi Sasaki | 0-1-0 REC | #6650 | |
 | Keigo Kunihara | 0-1-0 UFC | #6703 | |
 | Kelvin Tiller | 3-4-0 REC | #3366 |  |
 | Ken Shamrock | 7-6-2 UFC | #582 | |
 | Kennedy Nzechukwu | 8-6-1 UFC | #434 |  |
 | Kent Mafileo | 0-1-0 REC | #6513 | |
 | Kenzo Soares Silva | 3-2-0 REC | #2384 | |
 | Kerisson Leal | 0-2-0 REC | #6825 |  |
 | Kerry Schall | 0-1-0 UFC | #4743 | |
 | Kevin Ferguson | 1-1-0 UFC | #1387 | |
 | Kevin Jordan | 0-2-0 UFC | #4869 | |
 | Kevin Rosier | 1-2-0 UFC | #3590 | |
 | Kevin Szaflarski | 0-1-0 REC | #6427 |  |
 | Khetag Sabeev | #7315 |  | |
 | Kimo Leopoldo | 2-4-0 UFC | #2488 | |
 | Kirill Grishenko | #7463 |  | |
 | Kirill Kornilov | 3-2-0 REC | #1799 | |