Joseph Vu Duy Th?ng (July 2, 1952 – March 1, 2017) was a Vietnamese prelate, Bishop of the Roman Catholic Diocese of Phan Thiet from July 2009 to his death and the Head of the Episcopal Committee on Cultural Affairs.
He was Auxiliary Bishop of the Roman Catholic Archdiocese of Ho Chi Minh city from 2001 to 2009.