San Vincenzo was a large frigate () or second-rank ship of the line of the Venetian navy. Ordered in 1720 and laid down in 1722 at the Arsenal of Venice, it belonged to the Sant'Andrea class. It entered service in 1730, and was lost due to fire while undergoing repairs at the anchorage at Govino Bay in Corfu, on the night of 11 May 1752. With about 1,500 tons in total displacement, it could be equipped either as a large frigate (with 20 ÃÂ 30-pounder and 20 ÃÂ 14-pounder guns) or as a second-rank ship of the line (with 24 ÃÂ 30-pounder, 24 ÃÂ 14-pounder, and 8 ÃÂ 12-pounder guns).