IKO - International Karate Organization - 6th World Weight Category Championship (2017)
Kumite Lightweight
| Rang | Catégorie | Champion | Pays |
| 1 | Kumite Lightweight | Yuki Yoza | Japan |
| 2 | Kumite Lightweight | Alim Iunusov | Russia |
| 3 | Kumite Lightweight | Ilias Astamirov | Russia |
| 4 | Kumite Lightweight | Yuki Fukui | Japan |
| 5 | Kumite Lightweight | Alisher Karmenov | Kazakhstan
Kazakhstan |
| 6 | Kumite Lightweight | Luiggi Candido | Brazil |
| 7 | Kumite Lightweight | Guillaume Grundler | France |
| 8 | Kumite Lightweight | Alexander Gruschenko | Ukraine |
Kumite Middleweight
| Rang | Catégorie | Champion | Pays |
| 1 | Kumite Middleweight | Kashin Osawa | Japan |
| 2 | Kumite Middleweight | Andrey Zuborev | Russia |
| 3 | Kumite Middleweight | Ashot Zarinyan | Russia |
| 4 | Kumite Middleweight | Takuma Yamada | Japan |
| 5 | Kumite Middleweight | Lucian Gogonel | Romania |
| 6 | Kumite Middleweight | Antonio Tusseau | France |
| 7 | Kumite Middleweight | Peyman Rashidi | Iran |
| 8 | Kumite Middleweight | Monde Patsha | South Africa |
Kumite Heavyweight
| Rang | Catégorie | Champion | Pays |
| 1 | Kumite Heavyweight | Andrey Luzin | Russia |
| 2 | Kumite Heavyweight | Yuta Takahashi | Japan |
| 3 | Kumite Heavyweight | Mikio Ueda | Japan |
| 4 | Kumite Heavyweight | Sota Nakano | USA |
| 5 | Kumite Heavyweight | Nikita Garas | Kazakhstan
Kazakhstan |
| 6 | Kumite Heavyweight | Magomed Mitsaev | Russia |
| 7 | Kumite Heavyweight | Patryk Sypien | Poland |
| 8 | Kumite Heavyweight | Alejandro Navarro | Spain |
Kumite Super Heavyweight
| Rang | Catégorie | Champion | Pays |
| 1 | Kumite Super Heavyweight | Shohei Kamada | Japan |
| 2 | Kumite Super Heavyweight | Aleksandr Eremenko | Russia |
| 3 | Kumite Super Heavyweight | Shoki Arata | Japan |
| 4 | Kumite Super Heavyweight | Lucas Mckinnon | New Zealand |
| 5 | Kumite Super Heavyweight | Aleksandar Atanasov | Bulgaria |
| 6 | Kumite Super Heavyweight | Damian Galinski | Poland |
| 7 | Kumite Super Heavyweight | Higor Costa Rocha | Brazil |
| 8 | Kumite Super Heavyweight | Anton Gulyaev | Russia |