Tous les combattants
 | Konstantinos Ntelis | 3-1-0 REC | #761 |  |
 | Korey Kuppe | 0-3-0 REC | #5071 |  |
 | Korey Taylor | 0-1-0 REC | #5047 |  |
 | Korey Windham | 0-1-0 REC | #7077 | |
 | Kory Moegenburg | 0-2-0 REC | #5146 | |
 | Kostadin Enev | 0-1-0 REC | #7485 |  |
 | Kosuke Terashima | 0-1-0 REC | #5909 |  |
 | Kota Miura | 0-2-0 REC | #1949 | |
 | Kouki Nakagawa | #7752 | | |
 | Kousuke Kindaichi | 0-1-0 REC | #5987 | |
 | Kousuke Sugimura | 1-0-0 REC | #2496 | |
 | Kouya Kanda | 1-1-0 REC | #6104 | |
 | Kovacs Zsombor | 0-1-0 REC | #7618 |  |
 | Koyomi Matsushima | 1-1-0 REC | #5922 | |
 | Kris McCray | 0-3-0 UFC | #4092 | |
 | Kris Moutinho | 0-4-0 UFC | #1980 | |
 | Kris Rotharmel | 0-1-0 UFC | #7173 | |
 | Krissa Timbs | #7538 | | |
 | Kristians Boguzs | 1-0-0 REC | #1122 |  |
 | Kristiany Carvalho | #7792 |  | |
 | Kristina Williams | 4-1-0 REC | #3053 | |
 | Kristof Midoux | 0-1-0 UFC | #2820 |  |
 | Krisztian Simon | 0-1-0 REC | #7383 | |
 | Kron Gracie | 1-3-0 UFC | #2419 | |
 | Krystian Bielski | 1-3-0 REC | #4899 |  |