Antonio Maria Cagiano de Azevedo (14 December 1797 – 13 January 1867) was a Catholic Cardinal and held a number of significant legal positions within the Catholic Church during the 19th century.
Cagiano was born 14 December 1797 in Santopadre to a noble family; he was the son of Ottavio Cagiano de Azevedo.
Cagiano was the uncle of Cardinal Ottavio Cagiano de Azevedo.
He was educated at the Pontifical Academy of Ecclesiastical Nobles in Rome then at the Archgymnasium of Rome where he received a doctorate in utroque iuris (civil and canon law).
Cagiano was ordained in 1824 and was immediately appointed to a number of politico-legal positions in quick succession including:
He was elected bishop of Senigaglia in 1844 and was consecrated by Pope Gregory XVI.
Cagiano was elevated to cardinal in 1844 and was appointed Cardinal Priest of the Basilica of the Holy Cross in Jerusalem.
He participated in the Papal Conclave of 1846 which elected Pope Pius IX.
He was appointed Prefect of the Sacred Congregation of the Council in 1853 and held the position until 1860.
In 1854 Cagiano was appointed Cardinal-Bishop of Frascati where he served until his death.
Between 1855 and 1856 he was appointed Camerlengo of the Sacred College of Cardinals and in 1860 he was appointed Apostolic Penitentiary, a position which he also held until his death.