Wang Hongwen (王洪文, Pinyin wang2 hong2 wen2) (1933/1935 - 1992) was the youngest member of the Gang of Four.

He took part in the Korean War in the early 1950s. After the war he was sent to Shanghai to work in a factory. There he met Zhang Chunqiao and became involved in a Red Guards group. He organized the Shanghai Commune in January 1967. In 1969 he was elected to the Central Committee. In 1973 he joined the Permanent Committee and became deputy-president of the Party.

He was arrested in October 1976 and sentenced to death. His sentence was later commuted to life imprisonment. He died of liver cancer in a Beijing hospital in 1992.