(died 1484) was a Roman Catholic prelate who served as Bishop of Montemarano (1477–1484).
Agostino da Siena was ordained a priest in the Order of Friars Minor.
[1][2] On 24 Jan 1477, he was appointed during the papacy of Pope Sixtus IV as Bishop of Montemarano.
[1][2] He served as Bishop of Montemarano until his death in 1484.
This article about a 15th-century Italian Catholic bishop or archbishop is a stub.