Kyokushin-kan is an international Kyokushinkai organization founded by Hatsuo Royama.

Royama was one of Mas Oyama’s closest students, and after the split he established his own branch.

Kyokushin-kan places great emphasis on:
— traditional technique;
— hard kumite;
— discipline;
— the philosophy of Kyokushinkai.

The organization hosts:
— World Championships;
— international seminars;
— professional tournaments.

In many countries Kyokushin-kan is considered one of the most traditional branches of Kyokushinkai.