| Order: | 163rd Doge of the Republic of Genoa |
| Term Start1: | 23 June 1754 |
| Term End1: | 23 June 1756 |
| Predecessor1: | Giovanni Battista Grimaldi |
| Successor1: | Giovanni Giacomo Grimaldi |
| Birth Date: | 6 April 1701 |
| Birth Place: | Genoa, Republic of Genoa |
| Death Date: | 1758 |
| Death Place: | Chiavari, Republic of Genoa |
Gian Giacomo Veneroso (Genoa, 6 April 1701 - Chiavari, 17 November 1758) was the 163rd Doge of the Republic of Genoa.
Veneroso was elected doge in June 1754. He ended his assignment on 23 June 1756, returning to the position of Magistrate of the Walls. After this, he was also magistrate of war. He had a son named Gerolamo.