IKO - International Karate Organization - 5th World Open Kyokushin Karate Tournament (1991)
Male Kumite
| Rang | Catégorie | Champion | Pays |
| 1 | Male Kumite | Kenji Midori | Japan |
| 2 | Male Kumite | Akira Masuda | Japan |
| 3 | Male Kumite | Hiroki Kurosawa | Japan |
| 4 | Male Kumite | Jean Riviere | Canada |
| 5 | Male Kumite | Kenji Yamaki | Japan |
| 6 | Male Kumite | Yutaka Ishi | Japan |
| 7 | Male Kumite | Yasuhiro Shichinohe | Japan |
| 8 | Male Kumite | Johnny Kleyn | Netherlands |