| Type: | Bishop |
| Honorific-Prefix: | Most Reverend |
| Donato Pascasio | |
| Bishop of Trevico | |
| Church: | Catholic Church |
| Diocese: | Diocese of Trevico |
| Term: | 1646–1664 |
| Predecessor: | Alessandro Salzilla |
| Successor: | Marco Vaccina |
| Consecration: | 22 Apr 1646 |
| Consecrated By: | Pier Luigi Carafa (seniore) |
| Birth Place: | Castel Vecchio, Italy |
| Death Date: | 13 February 1664 |
Donato Pascasio, O.S.B. Cel. (died 1664) was a Roman Catholic prelate who served as Bishop of Trevico (1646–1664).[1]
Donato Pascasio was born in Castel Vecchio, Italy and ordained a priest in the Celestine Order of Saint Benedict.[2] On 9 April 1646, he was appointed during the papacy of Pope Innocent X as Bishop of Trevico.On 22 April 1646, he was consecrated bishop by Pier Luigi Carafa (seniore), Cardinal-Priest of Santi Silvestro e Martino ai Monti, with Alfonso Sacrati, Bishop Emeritus of Comacchio, and Ranuccio Scotti Douglas, Bishop of Borgo San Donnino, serving as co-consecrators. He served as Bishop of Trevico until his death on 13 February 1664.
While bishop, he was the principal co-consecrator of Pietro Paolo Russo, Bishop of Nusco (1649).