Poids Plumes Hommes
 | Kleber Koike | 2-3-0 REC | #1844 |  |
 | Koji Oishi | 0-2-0 UFC | #5114 |  |
 | Konmon Deh | 0-2-0 REC | #4972 |  |
 | Konstantin Podoynitsyn | 0-1-0 REC | #6055 |  |
 | Kota Miura | 0-2-0 REC | #2140 | |
 | Kouki Nakagawa | 1-0-0 REC | #1982 | |
 | Kouya Kanda | 1-1-0 REC | #6281 | |
 | Koyomi Matsushima | 1-2-0 REC | #4209 | |
 | Kron Gracie | 1-3-0 UFC | #2621 | |
 | Krzysztof Geburek | 0-1-0 REC | #5600 |  |
 | Kurban Taygibov | 2-1-0 REC | #1361 | |
 | Kurtis Campbell | 0-1-0 UFC | #1526 |  |
 | Kurtis Ellis | 1-1-0 REC | #6513 |  |
 | Kyle Bochniak | 2-5-0 UFC | #2647 | |
 | Kyle Zimick | 0-1-0 REC | #5628 | |
 | Kyohei Hagiwara | 2-2-0, 1NC REC | #2177 | |
 | Kyoma Akimoto | 7-1-0 REC | #664 | |
 | Laird Anderson | 3-0-0 REC | #3994 | |
 | Lance Lawrence | 2-2-0 REC | #3794 | |
 | Lazar Stojadinovic | 0-3-0 REC | #5081 | |