IKO - International Karate Organization - 32nd All Japan Weight Category Karate Tournament (2015)
Male Kumite Lightweight
| Rang | Catégorie | Champion | Pays |
| 1 | Male Kumite Lightweight | Yuki Shimizu | Japan |
| 2 | Male Kumite Lightweight | Takaichi Onuma | Japan |
| 3 | Male Kumite Lightweight | Yuki Yoza | Japan |
| 4 | Male Kumite Lightweight | Kaito Ueda | Japan |
Male Kumite Middleweight
| Rang | Catégorie | Champion | Pays |
| 1 | Male Kumite Middleweight | Yuta Sawamura | Japan |
| 2 | Male Kumite Middleweight | Yukou Harada | Japan |
| 3 | Male Kumite Middleweight | Kasin Osawa | Japan |
| 4 | Male Kumite Middleweight | Takehiro Kaga | Japan |
Male Kumite Heavyweight
| Rang | Catégorie | Champion | Pays |
| 1 | Male Kumite Heavyweight | Masanaga Nakamura | Japan |
| 2 | Male Kumite Heavyweight | Takuya Takeoka | Japan |
| 3 | Male Kumite Heavyweight | Yota Higuchi | Japan |
| 4 | Male Kumite Heavyweight | Genki Nakazawa | Japan |
Male Kumite Super Heavyweight
| Rang | Catégorie | Champion | Pays |
| 1 | Male Kumite Super Heavyweight | Steven Cujic | Australia |
| 2 | Male Kumite Super Heavyweight | Satoru Araki | Japan |
| 3 | Male Kumite Super Heavyweight | Kenta Nanbara | Japan |
| 4 | Male Kumite Super Heavyweight | Ryoma Yamakawaura | Japan |