Jacob Groenewegen was a Dutch merchant, who was the leading merchant (opperkoopman) on the fleet under Pieter Willemsz. Verhoeff that left Texel on 21 December 1607 and arrived in Bantam on 15 February 1609. Like Verhoeff, he died on 22 May 1609, on one of the Banda Islands, in an ambush set up by the islanders.