Tokitsuumi Masahiro (born November 8, 1973 as Masahiro Sakamoto) is a former professional sumo wrestler from Fukue, Nagasaki, Japan. A former amateur sumo champion, he turned professional in 1996. His highest rank was maegashira 3. He became the head coach of Tokitsukaze stable in 2007 following the dismissal of the previous stablemaster. He was asked to retire by the Japan Sumo Association in February 2021 for violating COVID-19 safety protocols.