2nd World Open Championship in Kyokushin karate (IKO). Tokyo, Japan, 23–25 November 1979.
Winners
- Makoto Nakamura — Japan
- Keiji Sanpei — Japan
- Willie Williams — USA
- Takashi Azuma — Japan
- Howard Collins — Great Britain
- Bernard Creton — Great Britain
- Ceno Maxer — Liechtenstein
- Koichi Kawabata — Japan