Juan Álvarez de Toledo (1488–1557) was a Spanish Dominican and Cardinal, from 1538. Considered papabile in the papal conclave (1549-1550), he was initially running second in votes to Reginald Pole[1]. He was again a candidate in 1555.
He was an influential figure in the history of the University of Santiago de Compostela, sanctioning a division of lay from religious studies.[2]
He was bishop of Córdoba in 1532, and bishop of Burgos in 1537. He was bishop of Albano in 1553, and bishop of Frascati in 1555.