Claudio Acquaviva, SJ (14 September 1543 – 31 January 1615) was an Italian Jesuit priest. Elected in 1581 as the fifth Superior General of the Society of Jesus, he has been referred to as the second founder of the Jesuit order.

Early life and family

Claudio Acquaviva was born in Atri, Abruzzo, the son of Giovanni Antonio Acquaviva d'Aragona, 9th Duke of Atri, descended from a noble family illustrious at the court of Naples for its patronage of humanist culture. His grandfather, Andrea Matteo Acquaviva (1456–1528), was a condottiere and humanist whose brother Belisario Acquaviva (1464–1528), Duke of Nardo, was also a noted man of letters. Some older texts, including those illustrated in this article, spell his name Aquaviva.

His nephew, the Jesuit missionary and martyr Rodolfo Acquaviva (1550-1583) was inspired to join the Society of Jesus at the age of seventeen by the example of Claudio.

General Congregation IV

Upon the death of Everard Mercurian on 1 August 1580, the Fourth General Congregation was called for 7 February 1581. Acquaviva was elected the next Superior General, being then only thirty-seven years old, to the great surprise of Gregory XIII. However, the extraordinary sense of governance he displayed - in particular when his leadership was questioned -, the continuous apostolic vitality of the Jesuits as well as the regular increase of membership that came to the Society during his long generalate, more than justified the votes of the electors.