William Porcher DuBose (April 11, 1836-August 18, 1918) was an American priest and theologian in the Episcopal Church in the United States. He spent most of his career as a professor at the University of the South in Sewanee, Tennessee. He is remembered on August 18 on the Episcopal Calendar of Lesser Feasts and Fasts. His middle name, Porcher, is pronounced as if it were spelled por-shay.