Discover the ultimate Top 10 boxing champions in Japan as of Historically. A comprehensive ranking with key data. This comprehensive dataset is meticulously compiled from verified global sources and updated regularly. Use the sorting and filtering tools to explore the data, or export it as CSV for deeper analysis. All figures are cross-referenced with authoritative international databases.
| Rank ⇵ | Boxing Name ⇵ | Key Indicator ⇵ | Category ⇵ |
|---|---|---|---|
| 1 | Naoya Inoue (Monster) | Undisputed in 3 Weight Classes | Japan |
| 2 | Fighting Harada | 2x World Champion (Flyweight/Bantam) | Japan |
| 3 | Hiroshi Kobayashi | WBA Super Featherweight Champion | Japan |
| 4 | Masahiko "Fighting" Harada | World Flyweight & Bantamweight | Japan |
| 5 | Kuniaki Shibata | WBC Featherweight Champion | Japan |
| 6 | Yoko Gushiken | WBA Light Flyweight (7 Defenses) | Japan |
| 7 | Jiro Watanabe | WBA Super Flyweight Champion | Japan |
| 8 | Khaosai Galaxy | WBA Super Flyweight (19 Defenses) | Thailand |
| 9 | Joichiro Tatsuyoshi | WBC Bantamweight Champion | Japan |
| 10 | Hozumi Hasegawa | WBC Bantamweight Champion | Japan |