Mutsuarashi Yukio (born Yukio Minami; January 12, 1943 – July 30, 2002) was a sumo wrestler from Tōhoku, Aomori, Japan.

He made his professional debut in September 1961, and reached the top division in March 1967.

He recorded 13 wins on his debut in the top division, a feat which has never been bettered and equaled only twice, by Kitanofuji in 1964 and Ichinojō in 2014.

He founded Ajigawa stable in 1979, although he was forced to retire early from the Japan Sumo Association in 1993 due to poor health and was succeeded by former yokozuna Asahifuji.

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.