Carlo Fabrizio Giustiniani (12 December 1621 – 1 September 1682) was a Roman Catholic prelate who served as Bishop of Accia and Mariana (1656–1682).
[2] On 10 January 1656, he was appointed during the papacy of Pope Alexander VII as Bishop of Accia and Mariana.
[1][2] On 16 January 1656, he was consecrated bishop by Giulio Cesare Sacchetti, Cardinal-Bishop of Frascati, with Ascanio Piccolomini, Archbishop of Siena, and Giovanni Agostino Marliani, Bishop Emeritus of Accia and Mariana, serving as co-consecrators.
[2] In 1676, he began construction of Notre-Dame-des-Grâces-de-Lavasina church, dedicated to the Virgin Mary, on the site where two miracles had occurred.
[5][6] He served as Bishop of Accia and Mariana until his death on 1 September 1682.