Melchior Shi Hongzhen is a Chinese Catholic prelate who has served as Bishop of Tianjin since 2019.

[1][2] He had been under house arrest after refusing to join Chinese Patriotic Catholic Association.

[3][4][5][6] The government recognized him as bishop of Tianjin in 2024.

[7] Hongzhen was born in Tianjin, China, on 7 January 1929.

After the death of Liu Shuhe on 8 June 2019, Hongzhen succeeded him as Bishop of Tianjin but he was not recognised by the Chinese authorities because he refused to join the Chinese Patriotic Catholic Association (CPCA).