John Choi Young-su

John Choi Young-su (March 23, 1942 - August 31, 2009) was the South Korean Archbishop of the Roman Catholic Archdiocese of Daegu from 2007 until 2009.

He was ordained a Catholic priest on November 6, 1970, and was elevated to Auxiliary bishop of the Roman Catholic Archdiocese of Daegu in 2000. He was further appointed the Coadjutor Archbishop of Daegu on February 3, 2006.

John Choi Young-su became Archbishop of the Archdiocese of Daegu on March 29, 2007, succeeding Archbishop Paul Ri Moun-hi. He remained Archbishop until his resignation on August 17, 2009, due to health reasons.

Archbishop Emeritus John Choi Young-su on August 31, 2009, at the age of 67, just twelve days after his resignation as archbishop.