Poids Mi-Lourds Hommes
 | Keith Mielke | 0-1-0 UFC | #6515 |  |
 | Kenneth Bergh | #7469 |  | |
 | Kevin Christian | 0-2-0 UFC | #2098 |  |
 | Kevin Jackson | 2-2-0 UFC | #3250 | |
 | Kevin Randleman | 4-3-0 UFC | #1143 | |
 | Khabib Nabiev | 0-1-0 REC | #4994 |  |
 | Khalid Murtazaliev | 1-0-0 UFC | #3609 | |
 | Khalil Rountree | 10-7-0, 1NC UFC | #109 | |
 | Khuseyn Tatalaev | 0-1-0 REC | #6966 | |
 | Kleber Silva | 2-3-0 REC | #3717 | |
 | Kory Moegenburg | 0-2-0 REC | #5220 | |
 | Kris Rotharmel | 0-1-0 UFC | #7370 | |
 | Krzysztof Glowacki | 1-1-0, 1NC REC | #4307 |  |
 | Krzysztof Soszynski | 6-3-0 UFC | #2134 |  |
 | Kyle Clark | 1-0-0 REC | #1409 | |
 | Kyle Kingsbury | 4-5-0 UFC | #2730 | |
 | Kyler Fairchild | 0-1-0 REC | #7204 | |
 | Lajos Papp | 1-1-0 REC | #4931 |  |
 | Laurynas Urbonavicius | 1-1-0 REC | #6306 |  |
 | Leon Soares | 1-2-0 REC | #1370 | |