| Type: | Bishop |
| Honorific-Prefix: | Most Reverend |
| Giovanni Battista Buonacorsi | |
| Bishop of Colle di Val d'Elsa | |
| Church: | Catholic Church |
| Term: | 1645–1681 |
| Predecessor: | Roberto Strozzi |
| Successor: | Pietro Pietra |
| Consecration: | 8 Oct 1645 |
| Consecrated By: | Giovanni Giacomo Panciroli |
| Birth Date: | 1605 |
Giovanni Battista Buonacorsi (1605–1681) was a Roman Catholic prelate who served as Bishop of Colle di Val d'Elsa (1645–1681).[1]
Giovanni Battista Buonacorsi was born in Florence, Italy in 1605.[2] On 18 Sep 1645, he was appointed during the papacy of Pope Innocent X as Bishop of Colle di Val d'Elsa.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. He served as Bishop of Colle di Val d'Elsa until his death in Jan 1681.
While bishop, he was the principal co-consecrator of Giovanni Alfonso Puccinelli, Archbishop of Manfredonia (1652); and Giuseppe Boncore, Bishop of Lavello (1652).