Peter Pascual was a 13th-century Spanish theologian, Mercedarian friar, and Roman Catholic Bishop of Jaén. Born in Valencia around 1227, he pursued advanced studies at the University of Paris before joining the Order of the Blessed Virgin Mary of Mercy. Throughout his career, he served as a tutor to Prince Sancho of Aragon and assisted the Archbishop of Toledo. Known for his preaching in Andalusia and Tuscany, he later became a prominent writer of theological works and refutations.