| Type: | Bishop |
| Honorific-Prefix: | Most Reverend |
| Gian Giacomo Cristoforo | |
| Bishop of Lacedonia | |
| Church: | Catholic Church |
| Diocese: | Diocese of Lacedonia |
| Term: | 1649 |
| Predecessor: | Ferdinando Bruno |
| Successor: | Ambrosio Viola |
| Consecration: | 18 Apr 1649 |
| Consecrated By: | Pier Luigi Carafa |
| Birth Date: | 1588 |
| Birth Place: | Piaggine, Italy |
| Death Date: | 8 May 1649 (age 61) |
| Death Place: | Lacedonia, Italy |
Gian Giacomo Cristoforo (1588 – 8 May 1649) was a Roman Catholic prelate who served as Bishop of Lacedonia (1649).[1]
Gian Giacomo Cristoforo was born in Piaggine, Italy in 1588.[2] On 12 April 1649, he was appointed during the papacy of Pope Innocent X as Bishop of Lacedonia.On 18 April 1649, he was consecrated bishop by Pier Luigi Carafa, Cardinal-Priest of Santi Silvestro e Martino ai Monti, with Ranuccio Scotti Douglas, Bishop of Borgo San Donnino, and Enea di Cesare Spennazzi, Bishop of Ferentino, serving as co-consecrators. He served as Bishop of Lacedonia until his death on 8 May 1649.