Antonio Alcalde y Barriga was an 18th-century Spanish Dominican prelate who served as the Bishop of Yucatán and later the Bishop of Guadalajara. Born in 1701 in Cigales, Spain, he spent over thirty years as a teacher and prior within various Dominican convents. His administrative talents caught the attention of King Charles III, leading to his appointment to the Mexican episcopacy. Throughout his leadership, he focused heavily on religious education and the construction of essential social and academic institutions in his dioceses.