Sayaka Morohoshi (諸星清佳, Morohoshi Sayaka, born 24 February 1965) is a Japanese journalist known for his books and articles on modern China.

He studied Chinese modern literature at Tokyo University of Foreign Studies and his graduation thesis is "Liu Binyan and freedom of speech in China".

He worked at the Hokkaido Shimbun Press for a while, and went on to a master's course of Tokyo University of Foreign Studies to major in historical and cultural studies of modern China.

[2] He was a lecturer of Takaoka National College(currently known as faculty of art and design in University of Toyama)from Nov.1998 to Jan.2001.

[9][10][11] He early wanted to report Uyghur genocide in Xinjiang, but Katsuichi Honda――the chief editor of “Weekly Friday”――refused to carry the article.