Tous les combattants
 | Kris McCray | 0-3-0 UFC | #3962 |  |
 | Kris Moutinho | 0-4-0 UFC | #1738 | |
 | Kris Rotharmel | 0-1-0 UFC | #6883 | |
 | Krissa Timbs | #7246 | | |
 | Kristians Boguzs | 1-0-0 REC | #607 |  |
 | Kristina Williams | 4-1-0 REC | #2862 | |
 | Kristof Midoux | 0-1-0 UFC | #2572 |  |
 | Krisztian Simon | 0-1-0 REC | #7157 |  |
 | Kron Gracie | 1-3-0 UFC | #2190 |  |
 | Krystian Bielski | 1-3-0 REC | #4709 |  |
 | Krystian Blezien | 1-2-0 REC | #3007 | |
 | Krystian Kaszubowski | 1-4-0 REC | #2684 | |
 | Krzysztof Geburek | 0-1-0 REC | #5149 | |
 | Krzysztof Glowacki | 1-1-0, 1NC REC | #3923 | |
 | Krzysztof Jotko | 11-6-0 UFC | #115 | |
 | Krzysztof Mendlewski | #7276 | | |
 | Krzysztof Soszynski | 6-3-0 UFC | #1962 |  |
 | Kuat Khamitov | 1-0-0 REC | #1969 |  |
 | Kun Marcell | 1-0-0 REC | #7517 | |
 | Kuniyoshi Hironaka | 1-3-0 UFC | #3851 |  |
 | Kunle Lawal | 1-0-0 REC | #2237 |  |
 | Kurban Gadzhiev | 1-2-0 REC | #3252 |  |
 | Kurban Khatataev | 1-0-0 REC | #991 | |
 | Kurban Taygibov | 2-1-0 REC | #406 | |
 | Kurbanali Isabekov | 0-1-0 REC | #5127 | |