Poids Plumes Hommes
 | Khakimzhan Davronov | 0-1-0 REC | #6440 |  |
 | Khalid Musaev | 0-1-0 REC | #5857 | |
 | Khalid Taha | 1-4-0, 1NC UFC | #1296 |  |
 | Khanzala Magomadov | 1-0-0 REC | #5944 | |
 | Khasan Magomedsharipov | 3-0-0 REC | #2387 | |
 | Khaseyn Shaykhaev | 1-0-0 REC | #5303 | |
 | Khaskil Amirkhanov | 0-1-0 REC | #6763 | |
| Khetag Morgoev | 1-0-0 REC | #2319 | |
 | Khusein Askhabov | 0-1-0 UFC | #5146 | |
 | Kim Tinghaugen | 0-1-0 REC | #6963 |  |
 | Kisa Miyake | 0-1-0 REC | #5577 |  |
 | Kleber Koike Erbst | 2-3-0 REC | #1465 |  |
 | Koji Oishi | 0-2-0 UFC | #5032 | |
 | Koki Akada | 0-3-0 REC | #3490 | |
 | Konmon Deh | 0-2-0 REC | #4946 |  |
 | Konstantin Podoynitsyn | 0-1-0 REC | #5790 | |
 | Kota Miura | 0-2-0 REC | #1945 | |
 | Kouki Nakagawa | #7736 | | |
 | Kouya Kanda | 1-1-0 REC | #6031 | |
 | Koyomi Matsushima | 1-1-0 REC | #5922 | |