Giovanni Battista Buonacorsi (1605–1681) was a Roman Catholic prelate who served as Bishop of Colle di Val d'Elsa (1645–1681).
[2] On 18 Sep 1645, he was appointed during the papacy of Pope Innocent X as Bishop of Colle di Val d'Elsa.
[1][2] On 8 Oct 1645, he was consecrated bishop by Giovanni Giacomo Panciroli, Cardinal-Priest of Santo Stefano al Monte Celio, with Alfonso Gonzaga, Titular Archbishop of Rhodus, and Ranuccio Scotti Douglas, Bishop of Borgo San Donnino, serving as co-consecrators.
[2] He served as Bishop of Colle di Val d'Elsa until his death in Jan 1681.
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