IKO - International Karate Organization - 4th All Japan Open Karate Championship (1972)
Open Kumite
| Rang | Catégorie | Champion | Pays |
| 1 | Open Kumite | Miyuki Miura | Japan |
| 2 | Open Kumite | Howard Collins | Great Britain |
| 3 | Open Kumite | Toshikazu Sato | Japan |
| 4 | Open Kumite | Terutomo Yamazaki | Japan |
| 5 | Open Kumite | Yoshji Soeno | Japan |
| 6 | Open Kumite | Yukihisa Imaizumi | Japan |