The new archbishop is replacing Cardinal Paul Joseph Pham Dinh Tung, 85, now retired.
Archbishop Quang Kiêt, 52, was ordained a priest in 1991, and was bishop of Lanson and Cao Bang since 1999. He had been also the apostolic administrator in Hanoi since 2003.
The Holy See also announced the appointment of Bishop François Xavier Le Van Hong as auxiliary bishop of the Archdiocese of Hue.
About 6 million of Vietnam’s 82 million inhabitants are Catholic. About 50 million are Buddhists.