IKO - International Karate Organization - 1st World Weight Category Championship (1997)
Male Kumite Lightweight
| Rang | Catégorie | Champion | Pays |
| 1 | Male Kumite Lightweight | Piotr Sawicki | Poland |
| 2 | Male Kumite Lightweight | Leszek Zgrzebiniak | Poland |
| 3 | Male Kumite Lightweight | Ryu Narushima | Japan |
| 4 | Male Kumite Lightweight | Yevgeny Prokhorov | Russia |
| 5 | Male Kumite Lightweight | Fareidoun Norooz | Iran |
| 6 | Male Kumite Lightweight | Masafumi Tagahara | Japan |
| 7 | Male Kumite Lightweight | Vsevolod Mokhrihev | Russia |
| 8 | Male Kumite Lightweight | Dean Bawtimheimer | Canada |
Male Kumite Middleweight
| Rang | Catégorie | Champion | Pays |
| 1 | Male Kumite Middleweight | Hitoshi Kiyama | Japan |
| 2 | Male Kumite Middleweight | Shinji Adachi | Japan |
| 3 | Male Kumite Middleweight | Marcos Costa | Brazil |
| 4 | Male Kumite Middleweight | Hiroyuki Kidachi | Japan |
| 5 | Male Kumite Middleweight | Garry O’Neill | Australia |
| 6 | Male Kumite Middleweight | Tatsuya Fukada | Japan |
| 7 | Male Kumite Middleweight | Joji Hibino | USA |
| 8 | Male Kumite Middleweight | Gennadiy Gladishev | Russia |
Male Kumite Heavyweight
| Rang | Catégorie | Champion | Pays |
| 1 | Male Kumite Heavyweight | Masayoshi Takaku | Japan |
| 2 | Male Kumite Heavyweight | Norihisa Horiike | Japan |
| 3 | Male Kumite Heavyweight | Fumihiro Sugiyama | Japan |
| 4 | Male Kumite Heavyweight | Igor Shumin | Russia |
| 5 | Male Kumite Heavyweight | Robin Hammond | New Zealand |
| 6 | Male Kumite Heavyweight | Simphwe Dlulane | South Africa |
| 7 | Male Kumite Heavyweight | Egil Arne Okland | Norway |
| 8 | Male Kumite Heavyweight | Naoki Ichimura | Japan |
Male Kumite Super Heavyweight
| Rang | Catégorie | Champion | Pays |
| 1 | Male Kumite Super Heavyweight | Francisco Filho | Brazil |
| 2 | Male Kumite Super Heavyweight | Glaube Feitosa | Brazil |
| 3 | Male Kumite Super Heavyweight | Nicholas Pettas | Denmark |
| 4 | Male Kumite Super Heavyweight | Masaki Takao | Japan |
| 5 | Male Kumite Super Heavyweight | Yoshihiro Tamura | Japan |
| 6 | Male Kumite Super Heavyweight | Gun Irisawa | Japan |
| 7 | Male Kumite Super Heavyweight | Walter Schnaubelt | Papua New Guinea |
| 8 | Male Kumite Super Heavyweight | Kiyoyuki Shida | Japan |