Poids Moyens Hommes
 | Kendall Grove | 7-6-0 UFC | #1654 |  |
 | Kenichi Yamamoto | 2-1-0 UFC | #3209 |  |
 | Kennedy Rayomba | 0-2-0 REC | #3732 |  |
 | Kerim Engizek | 6-1-0 REC | #734 |  |
 | Kevin Casey | 1-3-1, 2NC UFC | #3397 | |
 | Kevin Del | 1-0-0 REC | #5046 |  |
 | Kevin Hangs | 0-1-0 REC | #6484 | |
 | Keyes Nelson | 0-1-0 REC | #6844 | |
 | Khadzhimurat Bestaev | 0-2-0 REC | #5501 |  |
 | Khamzat Chimaev | 9-0-0 UFC | #10 |  |
 | Kirill Medvedovski | 0-1-0 REC | #7063 |  |
 | Konrad Rusinski | 2-2-0 REC | #1515 |  |
 | Korey Kuppe | 0-3-0 REC | #4892 | |
 | Kris McCray | 0-3-0 UFC | #4003 | |
 | Krystian Bielski | 1-3-0 REC | #4753 | |
 | Krzysztof Jotko | 11-6-0 UFC | #128 | |
 | Kyle Daukaus | 4-4-0, 1NC UFC | #495 | |
 | Kyle McClurkin | 1-0-0 REC | #6552 |  |
 | Kyle Stewart | 0-2-0 UFC | #4158 | |
 | Laid Zerhouni | 4-2-0 REC | #1067 | |