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Japan

This page brings together champions and ranked contenders from Japan across the WBA, WBC, IBF and WBO. Use it as a snapshot of how fighters from this nation appear in the latest official world rankings.

5Champions40Top 10 Contenders89Total Ranked
Last Updated: February 2026

Champions

World champions representing Japan

Naoya Inoue

🏆Champion
IBF Super Bantamweight
🏆Super Champion
WBA Super Bantamweight
🏆Champion
WBC Super Bantamweight
🏆Super Champion
WBO Super Bantamweight

Seiya Tsutsumi

🏆World Champion
WBA Bantamweight

Takuma Inoue

🏆Champion
WBC Bantamweight

Masamichi Yabuki

🏆Champion
IBF Flyweight

Ryusei Matsumoto

🏆World Champion
WBA Minimumweight

Top 10 Contenders

Top 10 ranked boxers from Japan

RankFighterOrganizationWeight Class
#1Andy HiraokaWBASuper Lightweight
#1, #1, #1, #3Junto NakataniWBA, WBC, WBO, IBFSuper Bantamweight
#1, #3, #5Tomoya TsuboiWBC, WBA, WBOSuper Flyweight
#1, #2, #6Kyosuke TakamiWBA, WBC, IBFFlyweight, Light Flyweight
#1Daiya KiraWBALight Flyweight
#1, #6Ra'eese AleemIBF, WBOFeatherweight
#2, #2, #10Tenshin NasukawaWBA, WBC, IBFBantamweight
#2, #4, #6Ryusei KawauraWBO, WBA, IBFSuper Flyweight
#2, #5, #7Takeshi IshiiWBA, IBF, WBOMinimumweight
#2, #2Shokichi IwataWBC, WBOFlyweight, Light Flyweight
#2, #5Kenshiro TerajiWBC, IBFSuper Flyweight
#2Kenichi OgawaWBOSuper Featherweight
#3Hayato TsutsumiWBASuper Featherweight
#3, #3, #5, #8Kazuto IokaWBA, WBO, WBC, IBFBantamweight
#3, #3, #5, #7Seigo Yuri AkuiWBA, WBO, WBC, IBFFlyweight, Super Flyweight
#3Kenji FujitaWBOFeatherweight
#4, #5Tomoki KamedaIBF, WBAFeatherweight
#4, #4, #6, #10Luis NeryWBC, WBO, WBA, IBFFeatherweight, Super Bantamweight
#4Ryuto OwanWBOFeatherweight
#4, #4, #6, #6Riku MasudaWBA, IBF, WBC, WBOBantamweight
#4, #7, #9Yoshiki TakeiWBO, WBA, WBCBantamweight
#4, #7, #9Masataka TaniguchiWBC, WBA, WBOLight Flyweight
#4Yuni TakadaWBAMinimumweight
#5, #6, #9Shu UtsukiWBO, WBA, WBCLightweight
#5, #6, #10Toshiki ShimomachiWBO, IBF, WBASuper Bantamweight, Featherweight
#5, #10Mikito NakanoWBO, WBCFeatherweight
#5Tomonori NagaoWBOFlyweight
#6, #7, #9Reiya AbeWBC, IBF, WBAFeatherweight
#6Daigo HigaWBABantamweight
#6, #8Katsuma AkitsugiIBF, WBOBantamweight
#6Kazuki NakajimaWBCSuper Bantamweight
#7, #7, #10Subaru MurataWBA, WBC, WBOSuper Bantamweight
#7, #10Jukiya IimuraWBO, WBCFlyweight
#7Masanori RikiishiIBFSuper Featherweight
#8Reito TsutsumiWBAFeatherweight
#8Toshiki KawamitsuWBCLight Flyweight
#8, #8Katsuki MoriWBA, IBFMinimumweight
#8, #8Ryosuke NishidaWBC, IBFSuper Bantamweight
#8, #8Kosuke TomiokaIBF, WBOFlyweight
#10Kenta NakagawaIBFSuper Flyweight

Total Ranked

89 boxers from Japan are currently ranked as champions or contenders in the latest WBA, WBC, IBF and WBO world rankings. This list shows 44 additional fighters beyond the champions and Top 10 contenders highlighted above.

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