Poids Légers Hommes
 | Kamal Shalorus | 0-3-0 UFC | #2707 |  |
 | Kamuela Kirk | 1-2-0 UFC | #3940 |  |
 | Kane Mousah | 1-3-0 REC | #3878 |  |
 | Kanybek Zhanybekov | 0-2-0 REC | #4864 |  |
 | Karan Mosebach | #7756 |  | |
 | Karol Arteaga | 1-1-0 REC | #2062 |  |
 | Kase Tucker | #7993 | | |
 | Katsunori Kikuno | 2-3-0 UFC | #3467 |  |
 | Kauan Leopoldina | 0-1-0 REC | #6289 |  |
 | Kaue Fernandes | 3-1-0 UFC | #1042 | |
 | Kaynan Kruschewsky | 0-2-0 UFC | #4004 | |
 | Kazbek Damaev | 0-1-0 REC | #6618 |  |
 | Kazuki Tokudome | 1-3-0 UFC | #3991 | |
 | Kazuma Maruyama | 0-1-0 REC | #6576 | |
 | Kegan Agnew | 0-1-0 REC | #7277 | |
 | Kegan Gennrich | 3-2-0 REC | #1174 | |
 | Kelly Dullanty | 0-1-0 UFC | #5849 | |
 | Kelton Sneve | 5-1-0 REC | #954 |  |
 | Kendall Sandifer | 1-0-0 REC | #6385 | |
 | Kendall Whited | 1-0-0 REC | #1674 | |