| Type: | Bishop |
| Honorific-Prefix: | Most Reverend |
| Giovanni Carlo Antonelli | |
| Bishop of Ferentino | |
| Church: | Catholic Church |
| Diocese: | Diocese of Ferentino |
| Term: | 1677–1694 |
| Predecessor: | Ottavio Roncioni |
| Successor: | Valeriano Chierichelli |
| Ordination: | 29 July 1635 |
| Consecration: | 24 January 1677 |
| Consecrated By: | Fabrizio Spada |
| Birth Date: | 1612 |
| Birth Place: | Velletri, Italy |
| Death Date: | 20 April 1694 (age 82) |
| Death Place: | Ferentino, Italy |
| Nationality: | Italian |
Giovanni Carlo Antonelli (1612 - 20 April 1694) was a Roman Catholic prelate who served as Bishop of Ferentino (1677–1694).[1]
Giovanni Carlo Antonelli was born in Velletri, Italy in 1612 and ordained a priest on 29 July 1635.[2] On 11 January 1677, he was appointed during the papacy of Pope Innocent XI as Bishop of Ferentino. On 24 January 1677, he was consecrated bishop by Fabrizio Spada, Cardinal-Priest of San Callisto, with Francesco Casati, Titular Archbishop of Trapezus, and Domenico Gianuzzi, Titular Bishop of Dioclea in Phrygia, serving as co-consecrators. He served as Bishop of Ferentino until his death on 20 April 1694.