| Honorific-Prefix: | Most Reverend |
| Antonio de Marchi | |
| Bishop of Santorini | |
| Church: | Catholic Church |
| Diocese: | Diocese of Santorini |
| Term: | 1588–? |
| Predecessor: | Bernardo Lauro |
| Successor: | Pietro de Marchi |
| Consecration: | 27 Mar 1588 |
| Consecrated By: | Giulio Antonio Santorio |
Antonio de Marchi was a Roman Catholic prelate who served as Bishop of Santorini (1588–?).[1] [2] [3]
On 16 Mar 1588, he was appointed during the papacy of Pope Sixtus V as Bishop of Santorini.On 27 Mar 1588, he was consecrated bishop by Giulio Antonio Santorio, Cardinal-Priest of San Bartolomeo all'Isola. It is uncertain how long he served; the next bishop of record was Pietro de Marchi, who was appointed in 1611.