Jacob Gerritsz. Cuyp was a portrait and landscape painter. He was born and died in Dordrecht, and was the half-brother of Benjamin Gerritsz Cuyp and the father of the much more famous Aelbert Cuyp.
According to Houbraken, he helped the painters Jacques de Claeuw, Isaac van Hasselt, and Cornelis Tegelberg set up a Guild of Saint Luke in Dordrecht in 1642.