Hachiya Toshiyuki (蜂矢敏行) (16 November 1950 – 27 January 2001) was a sumo wrestler from Motosu, Gifu, Japan. He made his professional debut in September 1968. He holds the record jointly with Oshio for the most tournaments fought in the juryo division, at 55. He spent four tournaments in the top makuuchi division, peaking at maegashira 6 in November 1984. At around 108 kg (238 lb) he was one of the lightest sekitori. He retired in 1987 and became an elder of the Japan Sumo Association under the name Onogawa until his death in 2001.