Masudayama Yasuhito (舛田山 靖仁, born 10 April 1951 as Shigeru Masuda) is a former sumo wrestler from Nanao, Ishikawa, Japan.
He made his professional debut in March 1974, and reached the top division in November 1976.
He retired in July 1989 and became an elder in the Japan Sumo Association under the name Chiganoura.
[1] He was the oldest man in any of the professional sumo divisions at the time of his retirement.
Sanshō key: F=Fighting spirit; O=Outstanding performance; T=Technique Also shown: ★=Kinboshi; P=Playoff(s) Divisions: Makuuchi — Jūryō — Makushita — Sandanme — Jonidan — Jonokuchi This biographical article related to sumo wrestling is a stub.