| Order: | 58th Doge of the Republic of Genoa |
| Term Start1: | January 4, 1553 |
| Term End1: | January 4, 1555 |
| Predecessor1: | Luca Spinola |
| Successor1: | Agostino Pinelli Ardimenti |
| Birth Date: | 1508 |
| Birth Place: | Genoa, Republic of Genoa |
| Death Date: | 1578 |
| Death Place: | Genoa, Republic of Genoa |
Giacomo Promontorio (Genoa, 1508 - Genoa, 1578) was the 58th Doge of the Republic of Genoa.
Promontorio was elected to the dogal title on January 4, 1553, the thirteenth in biennial succession and the fifty-eighth in republican history. Under his mandate, the Jesuits settled in Genoa and began organizing and founding public schools. After his office on January 4, 1555 he served the republic in other state offices. He died in Genoa in 1578 and was buried inside the church of Santa Caterina.[1]