Ryūkōzan Kazuto, born Kazuto Miyata (June 23, 1967 – February 2, 1990), was a sumo wrestler from Sakai, Osaka, Japan. He made his professional debut in March 1983, and reached the top makuuchi division in January 1990, alongside his stablemate Oginohana. His highest rank was maegashira 5. He died of a heart attack after only one tournament in the top division.