Joseph Zen Ze-kiun SDB (Shanghainese: [z?? z?? t?y??], born 13 January 1932) is a cardinal of the Catholic Church from Hong Kong, who served as the sixth Bishop of Hong Kong.
He was made a cardinal in 2006, and has been outspoken on issues regarding human rights, political freedom, and religious liberty, often attracting criticism from the Communist Party of China.