Karate-bu) is a Japanese manga series written and illustrated by Koji Takahashi [ja].

It was serialized in Shueisha's seinen manga magazine Weekly Young Jump from 1985 to 1996, with its chapters collected in 43 tankōbon volumes.

A four-episode original video animation (OVA) adaptation by J.C. Staff was released from 1990 to 1992.

Karate Club was serialized in Shueisha's seinen manga magazine Weekly Young Jump from 1985 to 1996.

[11] A live action film adaptation, directed by Tōru Murakawa, produced by Excellent Creative and distributed by Shochiku, premiered in Japan on March 17, 1990.