Jan Gerritsz. Bicker (Amsterdam, 1591 – Amsterdam, 1653) was a merchant, a mayor (burgomaster) and a member of the Bicker family, an influential patrician family from Amsterdam.The son of Gerrit Bicker, he was a shipbuilder and merchant in Amsterdam. His trade mainly was focussed on the Levant. Jan Bicker was the cities inspector of the ropes, and in 1647 he became Schepen. His brothers Cornelis and Andries Bicker were influential merchants and burgemeesters of the city.