Kotoekō Mitsunori (Japanese: 琴恵光 充憲, born 20 November 1991 as Mitsutaka Kashiwadani (柏谷 充隆, Kashiwadani Mitsutaka)) is a Japanese professional sumo wrestler from Nobeoka, Miyazaki. He is a member of the Sadogatake stable and made his professional debut in March 2007. He reached the top makuuchi division in July 2018.