Chiyomaru Kazuki (千代丸 一樹, born April 17, 1991 as Kazuki Kinoshita) is a professional sumo wrestler from Shibushi, Kagoshima, Japan. He made his professional debut in May 2007. He took the second division jūryō championship in his third tournament in the division in January 2014 and was promoted to the top makuuchi division in the following tournament. His highest rank has been maegashira 5 East. He is the older brother of fellow professional sumo wrestler Chiyoōtori, and has served as his younger brother's attendant or tsukebito.