Yoshiharu Yamaguchi Explained

Birth Date:15 February 1943
Birth Place:Mihama, Fukui, Japan
School:Wakasa Higashi High School
University:Nihon University
Ru Position:Flanker
Amatteam1:Nihon University RFC
Repyears1:1967–1973
Repcaps1:13
Reppoints1:94

is a former Japanese rugby union player. He made his debut for Japan against a touring New Zealand Universities team in Osaka on 12 March 1967. He last appeared for Japan against England's under 23 team in Twickenham on 13 October 1973.

He inspired the Japanese TV series School Wars and the film which are based on his true story.