Qi Benyu (1931 – 20 April 2016) was a Chinese Communist theorist and propagandist, mainly active during the Cultural Revolution. Qi was a member of the ultra-left Cultural Revolution Group, director of the Department of Petitions and deputy director of the Secretary Bureau of the Central Committee of the Communist Party of China. Qi also acted as head of the history department of the communist theory journal Red Flag. In 1968 he was arrested, stripped of all his positions, and sent to prison.