Poids Légers Hommes
 | Kaue Fernandes | 3-1-0 UFC | #1086 |  |
 | Kaynan Kruschewsky | 0-2-0 UFC | #3947 | |
 | Kazbek Damaev | 0-1-0 REC | #6540 |  |
 | Kazuki Tokudome | 1-3-0 UFC | #3955 |  |
 | Kazuma Maruyama | 0-1-0 REC | #6674 | |
 | Kegan Agnew | 0-1-0 REC | #7109 |  |
 | Kegan Gennrich | 2-2-0 REC | #3766 | |
 | Kelly Dullanty | 0-1-0 UFC | #5813 | |
 | Kelton Sneve | 5-1-0 REC | #821 |  |
 | Kendall Sandifer | 1-0-0 REC | #6354 | |
 | Kendall Whited | #7987 | | |
 | Kenneth Cross | 1-2-0 REC | #1904 | |
 | Kenny Mokhonoana | 4-3-0 REC | #1328 |  |
 | Kenzi Khouadra | 0-2-0 REC | #3969 |  |
 | Keoni Diggs | 1-2-0 REC | #5401 | |
 | Kevin Carrier | 3-2-0 REC | #603 | |
 | Kevin Enz | 1-3-0 REC | #3314 |  |
 | Kevin Lee | 11-8-0 UFC | #418 | |
 | Kevin Robledo | 0-1-0 REC | #6756 |  |
 | Kevin Syler | 1-1-0 REC | #5138 |  |