Poids Moyens Hommes
 | Kellian Streicher | #7854 |  | |
 | Kelvin Gastelum | 14-11-0, 1NC UFC | #215 |  |
 | Kendall Grove | 7-6-0 UFC | #1769 | |
 | Kenichi Yamamoto | 2-1-0 UFC | #3491 |  |
 | Kennedy Rayomba | 0-2-0 REC | #4248 |  |
 | Kerim Engizek | 6-1-0 REC | #1046 |  |
 | Kevin Casey | 1-3-1, 2NC UFC | #3599 | |
 | Kevin Del | 2-0-0 REC | #1677 | |
 | Kevin Hangs | 0-1-0 REC | #6488 | |
 | Keyes Nelson | 0-1-0 REC | #7253 | |
 | Khadzhimurat Bestaev | 0-2-0 REC | #5574 |  |
 | Khamzat Chimaev | 9-1-0 UFC | #23 |  |
 | Kirill Medvedovski | 0-1-0 REC | #7288 |  |
 | Korey Kuppe | 0-3-0 REC | #5129 | |
 | Kris McCray | 0-3-0 UFC | #4259 | |
 | Krystian Bielski | 1-3-0 REC | #4969 |  |
 | Krzysztof Jotko | 11-6-0 UFC | #170 | |
 | Kyle Daukaus | 4-5-0, 1NC UFC | #432 | |
 | Kyle McClurkin | 1-0-0 REC | #6944 |  |
 | Kyle Stewart | 0-2-0 UFC | #4187 | |