Poids Moyens Hommes
 | Kellian Streicher | #7898 |  | |
 | Kelvin Gastelum | 14-11-0, 1NC UFC | #233 |  |
 | Kendall Grove | 7-6-0 UFC | #1800 | |
 | Kenichi Yamamoto | 2-1-0 UFC | #3523 |  |
 | Kennedy Rayomba | 0-2-0 REC | #4301 |  |
 | Kerim Engizek | 6-1-0 REC | #1088 |  |
 | Kevin Casey | 1-3-1, 2NC UFC | #3617 | |
 | Kevin Del | 2-0-0 REC | #1752 | |
 | Kevin Hangs | 0-1-0 REC | #6340 | |
 | Keyes Nelson | 0-1-0 REC | #7332 | |
 | Khadzhimurat Bestaev | 0-2-0 REC | #5645 |  |
 | Khamzat Chimaev | 9-1-0 UFC | #24 |  |
 | Kirill Medvedovski | 0-1-0 REC | #7295 |  |
 | Korey Kuppe | 0-3-0 REC | #5150 | |
 | Kris McCray | 0-3-0 UFC | #4264 | |
 | Krystian Bielski | 1-3-0 REC | #5010 |  |
 | Krzysztof Jotko | 11-6-0 UFC | #176 | |
 | Kyle Daukaus | 4-5-0, 1NC UFC | #475 | |
 | Kyle McClurkin | 1-0-0 REC | #6969 |  |
 | Kyle Stewart | 0-2-0 UFC | #4189 | |