26Juntarou Ushiku Fighting BullJuntarou Ushiku 0-1-0 MMA#3913Japon
27Junya Hibino EbichuJunya Hibino #4359Japon
28Jutaro Nakao The King of TriangleJutaro Nakao 1-1-0 MMA1-1-0 UFC#2283Japon
29Kai Asakura Kai Asakura #3287Japon
30Kana Watanabe Kana Watanabe 3-2-0 MMA#2147Japon
31Kanako Murata Kanako Murata 1-2-0 MMA1-2-0 UFC#2308Japon
32Kanna Asakura Kanna Asakura 0-1-0 MMA#3829Japon
33Katsuhisa Fujii ShamojiKatsuhisa Fujii 1-1-0 MMA1-1-0 UFC#2303Japon
34Katsunori Kikuno Katsunori Kikuno 2-3-0 MMA2-3-0 UFC#1601Japon
35Kazuhiro Nakamura King KazKazuhiro Nakamura 0-2-0 MMA0-2-0 UFC#1984Japon
36Kazuki Tokudome Kazuki Tokudome 1-3-0 MMA1-3-0 UFC#1761Japon
37Kazuma Maruyama GluttonyKazuma Maruyama 0-1-0 MMA#3522Japon
38Kazumasa Majima Kazumasa Majima #4362Japon
39Kazuo Takahashi YoshikiKazuo Takahashi 1-0-0 MMA1-0-0 UFC#1978Japon
40Kazushi Sakuraba The Gracie HunterKazushi Sakuraba 1-0-0, 1NC MMA1-0-0, 1NC UFC#1780Japon
41Keigo Kunihara Keigo Kunihara 0-1-0 MMA0-1-0 UFC#2930Japon
42Keiichiro Yamamiya KeiKeiichiro Yamamiya 0-1-0 MMA0-1-0 UFC#2924Japon
43Keisuke Sasu SasukeKeisuke Sasu 1-2-0 MMA#3249Japon
44Keita Nakamura K-TaroKeita Nakamura 4-7-0 MMA4-7-0 UFC#1028Japon
45Kenichi Yamamoto YamakenKenichi Yamamoto 2-1-0 MMA2-1-0 UFC#1121Japon
46Kenta Takizawa Kenta Takizawa 0-1-0 MMA#3984Japon
47Kiichi Kunimoto StrasserKiichi Kunimoto 3-2-0 MMA3-2-0 UFC#1023Japon
48Koji Kitao MitsuharuKoji Kitao 0-1-0 MMA0-1-0 UFC#2778Japon
49Koji Oishi Koji Oishi 0-2-0 MMA0-2-0 UFC#1879Japon
50Koji Takeda Koji Takeda 0-1-0 MMA#3973Japon