Poids Mi-Moyens Hommes
 | Khaos Williams | 7-4-0 UFC | #546 |  |
 | Khindalbek Burizhonov | 0-1-0 REC | #7080 |  |
 | Kiefer Crosbie | 0-3-0 UFC | #2893 |  |
 | Kiichi Kunimoto | 3-2-0 UFC | #3494 |  |
 | Kirill Negru | 0-1-0 REC | #6266 |  |
 | Kishvar Khudoyorov | 0-1-0 REC | #7600 | |
 | Kit Cope | 0-1-0 UFC | #5517 | |
 | Kitt Campbell | 2-0-0 REC | #2454 |  |
 | Konrad Rusinski | 3-3-0 REC | #882 |  |
 | Krystian Kaszubowski | 1-4-0 REC | #3251 | |
 | Kuat Khamitov | 1-0-0 REC | #2906 |  |
 | Kun Marcell | 1-0-0 REC | #7958 |  |
 | Kunle Lawal | 1-1-0 REC | #2976 |  |
 | Kurbanali Isabekov | 0-1-0 REC | #6156 | |
 | Kyle Bradley | 1-3-0 UFC | #3949 | |
 | Kyle Crutchmer | 2-1-0 REC | #4534 | |
 | Kyle Noke | 6-6-0 UFC | #2199 | |
 | Kyron Bowen | 0-3-0 REC | #5518 | |
 | Lance Benoist | 2-2-0 UFC | #4036 | |
 | Laureano Staropoli | 2-4-0 UFC | #1731 |  |