| Type: | Bishop |
| Honorific-Prefix: | Most Reverend |
| Alfonso Sacrati | |
| Bishop Emeritus of Comacchio | |
| Church: | Catholic Church |
| Diocese: | Diocese of Comacchio |
| Term: | 1617–1626 |
| Predecessor: | Orazio Giraldi |
| Successor: | Camillo Moro |
| Consecration: | 10 September 1617 |
| Consecrated By: | Giambattista Leni |
| Birth Date: | 1585 |
| Death Date: | 14 September 1647 (age 62) |
Alfonso Sacrati or Alphonse Sacrati (1585–1647) was a Roman Catholic prelate who served as Apostolic Nuncio to Switzerland (1646–1647), Vicegerent of Rome (1643–1646), and Bishop of Comacchio (1617–1626).[1]
Alfonso Sacrati was born in 1585.[2] He is the brother of Cardinal Francesco Sacrati and nephew of Ercole Sacrati, Bishop of Comacchio.[3] On 12 June 1617, he was appointed during the papacy of Pope Paul V as Bishop of Comacchio.On 10 September 1617, he was consecrated bishop by Giambattista Leni, Bishop of Ferrara, with Francesco Sacrati (cardinal), Titular Archbishop of Damascus, and Evangelista Tornioli, Bishop of Città di Castello, serving as co-consecrators.In 1626, he resigned as Bishop of Comacchio.On 27 March 1643, he was appointed during the papacy of Pope Urban VIII as Vicegerent of Rome; he resigned on 20 Oct 1646.On 7 November 1646, he was appointed during the papacy of Pope Innocent X as Apostolic Nuncio to Switzerland.He served as Apostolic Nuncio to Switzerland until his death on 14 September 1647.