Tous les combattants
 | Konrad Rusinski | 3-3-0 REC | #509 |  |
 | Konstantin Erokhin | 0-2-0 UFC | #5028 |  |
 | Konstantin Podoynitsyn | 0-1-0 REC | #6064 | |
 | Konstantinos Ntelis | 3-1-0 REC | #1133 |  |
 | Korey Kuppe | 0-3-0 REC | #5144 |  |
 | Korey Taylor | 0-1-0 REC | #5411 |  |
 | Korey Windham | 0-1-0 REC | #7278 | |
 | Kory Moegenburg | 0-2-0 REC | #5260 | |
 | Kostadin Enev | 0-1-0 REC | #7728 |  |
 | Kosuke Terashima | 0-1-0 REC | #5940 |  |
 | Kota Miura | 0-2-0 REC | #2134 | |
 | Kouki Nakagawa | 1-0-0 REC | #1953 | |
 | Kousuke Kindaichi | 0-1-0 REC | #6335 | |
 | Kousuke Sugimura | 1-0-0 REC | #2837 | |
 | Kouya Kanda | 1-1-0 REC | #6262 | |
 | Kovacs Zsombor | 0-1-0 REC | #7843 |  |
 | Koyomi Matsushima | 1-2-0 REC | #4189 | |
 | Kris McCray | 0-3-0 UFC | #4275 | |
 | Kris Moutinho | 0-4-0 UFC | #2150 | |
 | Kris Rotharmel | 0-1-0 UFC | #7305 | |
 | Krissa Timbs | #7773 | | |
 | Kristians Boguzs | 1-0-0 REC | #1556 |  |
 | Kristiany Carvalho | #7935 |  | |
 | Kristina Williams | 4-1-0 REC | #3212 | |
 | Kristof Midoux | 0-1-0 UFC | #3006 |  |