Alessandro Piccolomini

Alessandro Piccolomini ( – 4 December 1563) was a Roman Catholic prelate who served as Bishop of Pienza (1535–1563) and Bishop of Montalcino (1528–1554).

Biography On 20 November 1528, Alessandro Piccolomini was appointed during the papacy of Pope Clement VII as Bishop of Montalcino. In 1535, he was appointed during the papacy of Pope Paul III as Bishop of Pienza. In 1554, he resigned as Bishop of Montalcino. He served as Bishop of Pienza until his resignation in December 1563.

While bishop, he was the principal co-consecrator of Francesco Maria Piccolomini, Bishop of Montalcino (1554).