Constanzo

Constanzo is an Italian given name or surname. Notable people with the name include:

Given name

 * Constanzo Beschi (1860–1747), Italian jesuit priest, missionary, and Tamil language littérateur
 * Constanzo Festa (c. 1485/1490–1545), Italian composer
 * Constanzo Mangini (1918–1981), Italian ice hockey player

Surname

 * Adolfo Constanzo (1962–1989), American serial killer, drug trafficker, and cult leader
 * Carmine Constanzo (died 1997), actor and father of Robert Costanzo
 * Steve Constanzo (born 1988), Australian basketball player
 * Ted Constanzo (born c. 1956), American former football player