Alfonso Castaldo

His Eminence Alfonso Castaldo
Cardinal, Archbishop of Naples
Church	Catholic Church
Archdiocese	Naples
Appointed	7 February 1958
Term ended	3 March 1966
Predecessor	Marcello Mimmi
Successor	Corrado Ursi
Other post(s)	Bishop of Pozzuoli (1958–66) Cardinal-Priest of San Callisto (1958–66)
Previous post(s)	Bishop of Pozzuoli (1934–50) Titular Archbishop of Thessalonica (1950–58) Coadjutor Archbishop of Naples (1950–58)
Orders
Ordination	8 June 1913 by Angelo Michele Jannachino
Consecration	30 June 1934 by Alessio Ascalesi
Created cardinal	15 December 1958 by John XXIII
Rank	Cardinal-Priest
Personal details
Born	6 November 1890 Casoria, Kingdom of Italy
Died	3 March 1966(1966-03-03) (aged 75) Naples, Italy
Alma mater	University of Naples
Motto	Non dormitabit neque dormiet
Coat of arms

Styles of Alfonso Castaldo
Reference style	His Eminence
Spoken style	Your Eminence
Informal style	Cardinal
See	Naples

Alfonso Castaldo (6 November 1890 – 3 March 1966) was an Italian cardinal of the Roman Catholic Church. He served as Archbishop of Naples from 1958 until his death, and was elevated to the cardinalate in 1958.