Manuel Quintano Bonifaz (c. 1699 – 18 December 1774) was a Spanish cleric who was Grand Inquisitor of Spain from 1755 to 1774.
Manuel Quintano Bonifaz was born in Salas de los Infantes in around 1699.[1] He was appointed Auxiliary Bishop of Toledo on 20 January 1749, becoming Titular Bishop of Farsala at the same time. He was consecrated as a bishop by Cardinal Enrico Enríquez on 16 March 1749. He became Grand Inquisitor of Spain in 1755 and would hold this post until 1774.[2] He also became Apostolic Administrator of Toledo at this time. He was also Director of the Biblioteca Nacional de España from 1755 to 1761. He died on 18 December 1774.