IKO - International Karate Organization - 3rd All Japan Weight Category Karate Tournament (1986)
Kumite Lightweight
| Rang | Catégorie | Champion | Pays |
| 1 | Kumite Lightweight | Takahiro Kajiwara | Japan |
| 2 | Kumite Lightweight | Masahiro Sakurazawa | Japan |
| 3 | Kumite Lightweight | Toshhiko Imanishi | Japan |
| 4 | Kumite Lightweight | Hirosi Yamamoto | Japan |
Kumite Middleweight
| Rang | Catégorie | Champion | Pays |
| 1 | Kumite Middleweight | Hidehiko Hashizume | Japan |
| 2 | Kumite Middleweight | Hideki Okamoto | Japan |
| 3 | Kumite Middleweight | Makoto Kusakai | Japan |
| 4 | Kumite Middleweight | Hideyuki Kurihara | Japan |
Kumite Heavyweight
| Rang | Catégorie | Champion | Pays |
| 1 | Kumite Heavyweight | Yoshitaka Nishiyama | Japan |
| 2 | Kumite Heavyweight | Hirofumi Kanayama | Japan |
| 3 | Kumite Heavyweight | Katsutoshi Iguchi | Japan |
| 4 | Kumite Heavyweight | Hiroyuki Yokoi | Japan |