Giovanni Alfonso Petrucci (18 December 1650 – January 1688) was a Roman Catholic prelate who served as Bishop of Belcastro (1686–1688).
[2] On 15 July 1686, he was appointed during the papacy of Pope Innocent XI as Bishop of Belcastro.
[1][2] On 28 July 1686, he was consecrated bishop by Galeazzo Marescotti, Cardinal-Priest of Santi Quirico e Giulitta, with Pietro de Torres, Archbishop of Dubrovnik, and Marcantonio Barbarigo, Archbishop of Corfù, serving as co-consecrators.
[2] He served as Bishop of Belcastro until his death in January 1688.
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