| Type: | Cardinal |
| Honorific-Prefix: | His Eminence |
| Giovanni Battista Castrucci | |
| Cardinal-Priest of Santi Giovanni e Paolo | |
| Church: | Roman Catholic Church |
| Appointed: | 14 Feb 1592 |
| Term End: | 18 Aug 1595 |
| Cardinal: | 18 Dec 1585 |
| Created Cardinal By: | Sixtus V |
| Birth Date: | 1541 |
| Birth Place: | Lucca |
| Death Date: | 18 Aug 1595 (aged 54) |
| Death Place: | Lucca |
Giovanni Battista Castrucci (1541–1595) was a Roman Catholic cardinal.[1]