Gian Pietro Ferretti (died 1557) was a Roman Catholic prelate who served as Bishop of Lavello (1550–1554)[1] and Bishop of Milos (1541–1545).
[2] On 4 February 1541, Gian Pietro Ferretti was appointed during the papacy of Pope Paul III as Bishop of Milos.
[3] On 5 March 1550, he was appointed during the papacy of Pope Julius III as Bishop of Lavello.
[1][3] He resigned as Bishop of Lavello in 1554.
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