Poids Plumes Hommes
 | Khalid Taha | 1-4-0, 1NC UFC | #1380 |  |
 | Khanzala Magomadov | 1-0-0 REC | #6359 |  |
 | Khasan Dadalov | 4-0-0 REC | #482 | |
 | Khasan Magomedsharipov | 3-0-0 REC | #2458 | |
 | Khaseyn Shaykhaev | 1-0-0 REC | #5428 | |
 | Khaskil Amirkhanov | 0-1-0 REC | #7085 | |
 | Khetag Morgoev | 1-0-0 REC | #2628 | |
 | Khusein Askhabov | 0-1-0 UFC | #5379 | |
 | Kim Tinghaugen | 0-1-0 REC | #6955 |  |
 | Kisa Miyake | 0-1-0 REC | #5719 |  |
 | Kleber Koike Erbst | 2-3-0 REC | #1727 |  |
 | Koji Oishi | 0-2-0 UFC | #5157 | |
 | Konmon Deh | 0-2-0 REC | #4914 |  |
 | Konstantin Podoynitsyn | 0-1-0 REC | #6082 | |
 | Kota Miura | 0-2-0 REC | #2079 | |
 | Kouki Nakagawa | 1-0-0 REC | #1856 | |
 | Kouya Kanda | 1-1-0 REC | #6221 | |
 | Koyomi Matsushima | 1-2-0 REC | #4116 | |
 | Kron Gracie | 1-3-0 UFC | #2544 | |
 | Krzysztof Geburek | 0-1-0 REC | #5517 |  |