IKO - International Karate Organization - 30th All Japan Weight Category Karate Tournament (2013)
Kumite Lightweight
| Rang | Catégorie | Champion | Pays |
| 1 | Kumite Lightweight | Yukou Harada | Japan |
| 2 | Kumite Lightweight | Yoshimasa Tokushige | Japan |
| 3 | Kumite Lightweight | Hiroisa Nishino | Japan |
| 4 | Kumite Lightweight | Yuki Shimizu | Japan |
Kumite Middleweight
| Rang | Catégorie | Champion | Pays |
| 1 | Kumite Middleweight | Masanaga Nakamura | Japan |
| 2 | Kumite Middleweight | Takuya Takeoka | Japan |
| 3 | Kumite Middleweight | Yuta Takahashi | Japan |
| 4 | Kumite Middleweight | Yuki Inoaki | Japan |
Kumite Heavyweight
| Rang | Catégorie | Champion | Pays |
| 1 | Kumite Heavyweight | Mikio Ueda | Japan |
| 2 | Kumite Heavyweight | Koinosuke Ishizaki | Japan |
| 3 | Kumite Heavyweight | Kyohei Ajima | Japan |
| 4 | Kumite Heavyweight | Tatsuya Murata | Japan |
Kumite Super Heavyweight
| Rang | Catégorie | Champion | Pays |
| 1 | Kumite Super Heavyweight | Aleksandr Eremenko | Russia |
| 2 | Kumite Super Heavyweight | Kirill Kochnev | Russia |
| 3 | Kumite Super Heavyweight | Masahiro Ohe | Japan |
| 4 | Kumite Super Heavyweight | Masanori Tonooka | Japan |