Poids Lourds Hommes
 | Karrar Hammodi | #6641 |  | |
 | Kasim Aras | 2-2-0 REC | #1215 |  |
 | Katsuhisa Fujii | 1-1-0 UFC | #5189 |  |
 | Katsuyoshi Sasaki | 0-1-0 REC | #6631 | |
 | Keigo Kunihara | 0-1-0 UFC | #6692 | |
 | Kelvin Tiller | 3-4-0 REC | #3352 |  |
 | Ken Shamrock | 7-6-2 UFC | #577 | |
 | Kennedy Nzechukwu | 8-6-1 UFC | #408 |  |
 | Kent Mafileo | 0-1-0 REC | #6496 | |
 | Kenzo Soares Silva | 3-2-0 REC | #2369 | |
 | Kerisson Leal | 0-2-0 REC | #6804 |  |
 | Kerry Schall | 0-1-0 UFC | #4738 | |
 | Kevin Ferguson | 1-1-0 UFC | #1380 | |
 | Kevin Jordan | 0-2-0 UFC | #4861 | |
 | Kevin Rosier | 1-2-0 UFC | #3570 | |
 | Kevin Szaflarski | 0-1-0 REC | #6459 |  |
 | Khetag Sabeev | #7299 |  | |
 | Kimo Leopoldo | 2-4-0 UFC | #2470 | |
 | Kirill Grishenko | #7451 |  | |
 | Kirill Kornilov | 3-2-0 REC | #1752 | |