John Baptist Wu Cheng-chung (Chinese: 胡振中; pinyin: Hú Zhènzhōng; 26 March 1925 – 23 September 2002) was the fifth Bishop of Hong Kong's Catholic church and a Cardinal. He was a member of the Congregation for the Evangelization of Peoples, the Pontifical Council for Social Communications and the Congregation for Divine Worship and the Discipline of the Sacraments.