Poids Légers Hommes
 | Kase Tucker | #7659 |  | |
 | Katsunori Kikuno | 2-3-0 UFC | #3250 |  |
 | Kauan Leopoldina | 0-1-0 REC | #5531 |  |
 | Kaue Fernandes | 3-1-0 UFC | #1008 | |
 | Kaynan Kruschewsky | 0-2-0 UFC | #3830 | |
 | Kazbek Damaev | 0-1-0 REC | #6093 |  |
 | Kazuki Tokudome | 1-3-0 UFC | #3817 | |
 | Kazuma Maruyama | 0-1-0 REC | #6616 | |
 | Kegan Agnew | 0-1-0 REC | #6797 | |
 | Kegan Gennrich | 2-2-0 REC | #3519 | |
 | Kelly Dullanty | 0-1-0 UFC | #5967 | |
 | Kelton Sneve | 5-1-0 REC | #488 |  |
 | Kendall Sandifer | 1-0-0 REC | #5952 | |
 | Kenneth Cross | 1-1-0 REC | #2841 | |
 | Kenny Mokhonoana | 4-3-0 REC | #956 |  |
 | Kenzi Khouadra | 0-2-0 REC | #3729 |  |
 | Keoni Diggs | 1-2-0 REC | #5224 | |
 | Kevin Carrier | 2-2-0 REC | #2292 | |
 | Kevin Enz | 1-3-0 REC | #3145 |  |
 | Kevin Lee | 11-8-0 UFC | #413 | |