Karate Champ, known in Japan as , is a  arcade fighting game developed by Technos Japan for Data East. It is credited with establishing and popularizing the one-on-one fighting game genre. A variety of moves could be performed using the dual-joystick controls, using a best-of-three matches format like later fighting games, and it featured training bonus stages. It went on to influence Konami's Yie Ar Kung Fu and other fighting games.