Girolamo Piccolomini (died 1535) was a Roman Catholic prelate who served as Bishop of Pienza (1510âÂÂ1535) and Bishop of Montalcino (1510âÂÂ1528).
On 9 December 1510, Girolamo Piccolomini was appointed during the papacy of Pope Julius II as both Bishop of Pienza and Bishop of Montalcino, replacing his father of the same name. He served as Bishop of Montalcino until his resignation on 20 November 1528. He served as Bishop of Pienza until his death in 1535.