| Type: | Bishop |
| Honorific-Prefix: | Most Reverend |
| Guglielmo Adeodato | |
| Bishop of Lesina | |
| Church: | Catholic Church |
| Diocese: | Diocese of Lesina |
| Term: | 1539–1540 |
| Predecessor: | Antonello Eustachi |
| Successor: | Orazio Greco |
| Death Date: | 1540 |
| Death Place: | Lesina, Italy |
Guglielmo Adeodato, O.E.S.A. or Baldassare Monaco (died 1540) was a Roman Catholic prelate who served as Bishop of Lesina (1539–1540).[1] [2] [3] [4]
Guglielmo Adeodato was ordained a priest in the Order of Hermits of St. Augustine.On 17 October 1539, he was appointed during the papacy of Pope Paul III as Bishop of Lesina.[2] He served as Bishop of Lesina until his death in 1540.