Domingo Iturrate Zubero (11 May 1901 - 7 April 1927), also known by his religious name Domingo of the Blessed Sacrament, was a Spanish Roman Catholic priest and a professed member of the Trinitarian Order.
Zubero grappled with tuberculosis as he underwent his studies in Rome where he was ordained to the priesthood and he became noted for his staunch devotion to the Mother of God.His beatification was celebrated under Pope John Paul II on 30 October 1983.