François Xavier Nguyên Van Sang
François Xavier Nguyên Van Sang was a Roman Catholic bishop.
Ordained to the priesthood in 1958, Nyuyên Van Sang served as auxiliary bishop of the Roman Catholic Archdiocese of Há Nô, Vietnam, from 1981 to 1990. He then served as bishop of the Roman Catholic Diocese of Thái Bính from 1990 to 2009.