WKF - World Karate Organization - 14th World Championships Rio de Janeiro (1998)
Open Kumite
| Rang | Catégorie | Champion | Pays |
| 1 | Open Kumite | Konstantinos Papadopoulos | Greece |
| 2 | Open Kumite | Marcos Fernández | Spain |
| 3 | Open Kumite | Alireza Katiraei | Iran |
| 3 | Open Kumite | Leon Walters | Great Britain |
Kumite -60 kg
| Rang | Catégorie | Champion | Pays |
| 1 | Kumite -60 kg | David Luque | Spain |
| 2 | Kumite -60 kg | Joel Barst | France |
| 3 | Kumite -60 kg | Francesco Ortu | Italy |
| 3 | Kumite -60 kg | Hakan Yagli | Turkey |
Kumite -65 kg
| Rang | Catégorie | Champion | Pays |
| 1 | Kumite -65 kg | Alexandre Biamonti | France |
| 2 | Kumite -65 kg | Jean Carlos Pena | Venezuela |
| 3 | Kumite -65 kg | Celio Rene Vieira | Brazil |
| 3 | Kumite -65 kg | José Puertas | Spain |
Kumite -70 kg
| Rang | Catégorie | Champion | Pays |
| 1 | Kumite -70 kg | Haldun Alaga | Turkey |
| 2 | Kumite -70 kg | Samad Azadi | Germany |
| 3 | Kumite -70 kg | Junior Lefevre | Belgium |
| 3 | Kumite -70 kg | Shizuo Shiina | Japan |
Kumite -75 kg
| Rang | Catégorie | Champion | Pays |
| 1 | Kumite -75 kg | David Felix | France |
| 2 | Kumite -75 kg | Antonio Carlos Pinto | Brazil |
| 3 | Kumite -75 kg | Allan Busk | Denmark |
| 3 | Kumite -75 kg | Gennaro Talarico | Italy |
Kumite -80 kg
| Rang | Catégorie | Champion | Pays |
| 1 | Kumite -80 kg | Gilles Cherdieu | France |
| 2 | Kumite -80 kg | Ali Shaterzadeh | Iran |
| 3 | Kumite -80 kg | Wayne Otto | Great Britain |
| 3 | Kumite -80 kg | Zeynel çelik | Turkey |
Kumite +80 kg
| Rang | Catégorie | Champion | Pays |
| 1 | Kumite +80 kg | Marc Haubold | Germany |
| 2 | Kumite +80 kg | Yasumasa Shimizu | Japan |
| 3 | Kumite +80 kg | Davide Benetello | Italy |
| 3 | Kumite +80 kg | Óscar Olivares | Spain |