Poids Légers Hommes
 | Karan Mosebach | #7147 |  | |
 | Karol Arteaga | 0-1-0 REC | #6151 |  |
 | Kase Tucker | #7427 |  | |
 | Katsunori Kikuno | 2-3-0 UFC | #3103 |  |
 | Kauan Leopoldina | 0-1-0 REC | #5322 |  |
 | Kaue Fernandes | 3-1-0 UFC | #859 | |
 | Kaynan Kruschewsky | 0-2-0 UFC | #3773 | |
 | Kazbek Damaev | 0-1-0 REC | #5783 |  |
 | Kazuki Tokudome | 1-3-0 UFC | #3697 | |
 | Kazuma Maruyama | 0-1-0 REC | #6438 | |
 | Kegan Agnew | 0-1-0 REC | #6542 | |
 | Kegan Gennrich | 2-2-0 REC | #3314 | |
 | Kelly Dullanty | 0-1-0 UFC | #5770 | |
 | Kelton Sneve | 4-1-0 REC | #899 |  |
 | Kendall Sandifer | 1-0-0 REC | #5717 | |
 | Kenneth Cross | 1-1-0 REC | #4901 | |
 | Kenny Mokhonoana | 4-3-0 REC | #656 |  |
 | Kenzi Khouadra | 0-1-0 REC | #5904 |  |
 | Keoni Diggs | 1-2-0 REC | #5019 | |
 | Kevin Carrier | 2-2-0 REC | #2025 | |