Unryū Kyūkichi, Japanese sumo wrestler, the 10th Yokozuna (born 1822)

Unryū Kyūkichi was a Japanese sumo wrestler from Yanagawa, Chikugo Province. He was the sport's 10th yokozuna. Although the name of the style of the yokozuna 's in-ring ceremony is named after him, the fact that he himself practiced this style is highly debated.

Makuuchi (幕内), or makunouchi (幕の内), is the top division of the six divisions of professional sumo. Its size is fixed at 42 wrestlers (rikishi), ordered into five ranks according to their ability as defined by their performance in previous tournaments.