Masami Yuki (ゆうき まさみ, Yūki Masami, real name Shūji Satō (佐藤 修治, Satō Shūji), December 19, 1957) is a manga artist from the city of Kutchan, Abuta District, Hokkaidō region of Japan. He is a member of the artist group Headgear.