| Type: | Bishop |
| Honorific-Prefix: | Most Reverend |
| Giovanni Battista Comparini | |
| Bishop of Fondi | |
| Church: | Catholic Church |
| Diocese: | Diocese of Fondi |
| Term: | 1591–1616 |
| Predecessor: | Pio Loterio |
| Successor: | Lelio Veterano |
| Death Date: | 1616 |
| Death Place: | Fondi, Papal States |
Giovanni Battista Comparini (died 1616) was a Roman Catholic prelate who served as Bishop of Fondi (1591–1616).[1] [2] [3] [4]
On 5 April 1591, Giovanni Battista Comparini was appointed during the papacy of Pope Gregory XIV as Bishop of Fondi.He served as Bishop of Fondi until his death in 1616.