Tous les combattants
 | Kenny Robertson | 4-5-0 UFC | #2461 |  |
 | Kenshin Kodama | 0-1-0 REC | #6152 |  |
 | Kenshin Saito | 0-1-0 REC | #4276 | |
 | Kent Mafileo | 0-1-0 REC | #6874 | |
 | Kenta Takizawa | 0-1-0 REC | #6369 | |
 | Kentaro Tomita | #7962 | | |
 | Kenza Elkihel | 1-0-0 REC | #7717 |  |
 | Kenzi Khouadra | 0-2-0 REC | #3891 | |
 | Kenzo Soares Silva | 3-2-0 REC | #2540 | |
 | Keoni Diggs | 1-2-0 REC | #5312 | |
 | Keremuaili Maimaitituoheti | 0-1-0 REC | #6733 |  |
 | Keri Taylor-Melendez | 1-0-0 REC | #6067 | |
 | Kerim Engizek | 6-1-0 REC | #1036 |  |
 | Kerisson Leal | 0-2-0 REC | #7133 |  |
 | Kerry Schall | 0-1-0 UFC | #4859 | |
 | Kestin McClain | #7869 | | |
 | Ketlen Souza | 3-3-0 UFC | #1079 | |
 | Ketlen Vieira | 10-5-0 UFC | #246 | |
 | Kevin Aguilar | 2-4-0 UFC | #2957 | |
 | Kevin Azouz | 0-3-0 REC | #3010 | |
 | Kevin Boehm | 0-2-0 REC | #5704 | |
 | Kevin Borjas | 1-4-0 UFC | #1488 |  |
 | Kevin Burns | 2-3-0 UFC | #3440 | |
 | Kevin Caperna | 1-2-0 REC | #2984 |  |
 | Kevin Carrier | 3-2-0 REC | #401 | |