Hiroyuki Jo (? ??, Jo Hiroyuki) is a Zainichi Korean member of Shinshushieikan (?????), an (impersonated-)uyoku organization, and the Mie Prefecture-based Hane-gumi branch of Yamaguchi-gumi, a yakuza organization.
Jo assassinated Hideo Murai, a member of Aum Shinrikyo, on April 23, 1995.Charges that Kenji Kamimine(?? ??), a former leader of Hane-gumi, ordered Jo to kill Murai were dismissed by the Tokyo High Court.Jo was sentenced to 12 years in prison for the murder.