Chiyoōtori Yūki (Japanese: 千代鳳 祐樹, born 11 October 1992 as Yūki Kinoshita (木下 祐樹)) is a Japanese former professional sumo wrestler from Shibushi, Kagoshima. Making his professional debut in 2008, he reached the komusubi rank in 2014. He is the younger brother of fellow professional sumo wrestler Chiyomaru. He retired in 2021 to become an elder of the Japan Sumo Association. He is a member of Kokonoe stable.