Tous les combattants
 | Konrad Rusinski | 2-2-0 REC | #1817 |  |
 | Konstantin Erokhin | 0-2-0 UFC | #4945 |  |
 | Konstantin Podoynitsyn | 0-1-0 REC | #5889 | |
 | Konstantinos Ntelis | 3-1-0 REC | #801 |  |
 | Korey Kuppe | 0-3-0 REC | #5068 |  |
 | Korey Taylor | 0-1-0 REC | #5042 |  |
 | Korey Windham | 0-1-0 REC | #7102 | |
 | Kory Moegenburg | 0-2-0 REC | #5129 | |
 | Kostadin Enev | 0-1-0 REC | #7499 |  |
 | Kosuke Terashima | 0-1-0 REC | #5877 |  |
 | Kota Miura | 0-2-0 REC | #1964 | |
 | Kouki Nakagawa | 1-0-0 REC | #1554 | |
 | Kousuke Kindaichi | 0-1-0 REC | #6027 | |
 | Kousuke Sugimura | 1-0-0 REC | #2532 | |
 | Kouya Kanda | 1-1-0 REC | #6122 | |
 | Kovacs Zsombor | 0-1-0 REC | #7631 |  |
 | Koyomi Matsushima | 1-2-0 REC | #3929 | |
 | Kris McCray | 0-3-0 UFC | #4120 | |
 | Kris Moutinho | 0-4-0 UFC | #1995 | |
 | Kris Rotharmel | 0-1-0 UFC | #7195 | |
 | Krissa Timbs | #7559 | | |
 | Kristians Boguzs | 1-0-0 REC | #1163 |  |
 | Kristiany Carvalho | #7789 |  | |
 | Kristina Williams | 4-1-0 REC | #3063 | |
 | Kristof Midoux | 0-1-0 UFC | #2842 |  |