| Fighter | Nickname | Height | Weight | Association | |
 |
Jo Arai | 5'3" (1.6 m) |
126 lbs (57.15 kg) |
Kingdom Tachikawa / Wajutsu Keishukai Hearts | |
|
Johnny Choi | "Jawknee" | 5'9" (1.75 m) |
155 lbs (70.31 kg) |
Kingdom MMA |
|
Juan Mora | 0'0" (0 m) |
145 lbs (65.77 kg) |
Kingdom MMA | |
|
Juan Parhehean Munthe | 5'3" (1.6 m) |
105 lbs (47.63 kg) |
Kingdom Boxing and Training Camp | |
|
Jun Kojima | 0'0" (0 m) |
0 lbs (0 kg) |
Kingdom Tachikawa | |
|
Kadio Shirai | 5'7" (1.7 m) |
145 lbs (65.77 kg) |
Kingdom Ehrgeiz | |
|
Karim Hatem Mohamed Fayoud | "Leopard" | 5'10" (1.78 m) |
145 lbs (65.77 kg) |
Kingdom FC |
|
Kato Cha | 0'0" (0 m) |
115 lbs (52.16 kg) |
Kingdom Seiseki-Sakuragaoka | |
|
Kazuki Tanaka | 0'0" (0 m) |
121 lbs (54.88 kg) |
Kingdom Seiseki-Sakuragaoka | |
|
Keisuke Abe | 5'9" (1.75 m) |
205 lbs (92.99 kg) |
Kingdom Seiseki-Sakuragaoka | |
|
Ken Kimura | 0'0" (0 m) |
132 lbs (59.87 kg) |
Kingdom Tachikawa | |
|
Kengo Itabashi | 0'0" (0 m) |
132 lbs (59.87 kg) |
Kingdom Seiseki-Sakuragaoka | |
|
Kenshiro Matsuyama | 0'0" (0 m) |
159 lbs (72.12 kg) |
Kingdom Tachikawa | |
|
Kentaro Harashima | 0'0" (0 m) |
0 lbs (0 kg) |
Kingdom Tachikawa | |
|
Koji Sato | 5'11" (1.8 m) |
155 lbs (70.31 kg) |
Kingdom Satellite | |
|
Koki Nagano | 0'0" (0 m) |
135 lbs (61.23 kg) |
Kingdom Tachikawa | |
|
Kotaro Suzuki | 0'0" (0 m) |
132 lbs (59.87 kg) |
Kingdom Tachikawa | |
|
Kuniaki Moriyama | "Kyushu" | 0'0" (0 m) |
0 lbs (0 kg) |
Kingdom Satellite |
|
Kuranosuke Oishi | 0'0" (0 m) |
132 lbs (59.87 kg) |
Kingdom Tachikawa | |
|
Laine Foxton | 6'1" (1.85 m) |
155 lbs (70.31 kg) |
Kingdom MMA | |
