Francesco Maria Piccolomini (died 1599) was a Roman Catholic prelate who served as Bishop of Montalcino (1554–1599) and Bishop of Pienza (1563–1599).
[1][2][3] On 20 April 1554, Francesco Maria Piccolomini was appointed during the papacy of Pope Julius III as Bishop of Montalcino.
[1][4][5] On 25 November 1554, he was consecrated bishop by Scipione Bongalli, Bishop of Civita Castellana e Orte, with Cesare Cibo, Archbishop of Turin, and Alessandro Piccolomini, Bishop of Pienza, serving as co-consecrators.
[4] In December 1563, he was appointed during the papacy of Pope Pius IV as Bishop of Pienza.
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