Gerard Arnout Hasselaer (20 February 1698, Amsterdam - 12 July 1766, Heemstede) was a burgomaster and counsellor of the city of Amsterdam, and a Director of the Dutch East India Company. Some historians have said he was an able regent.Others have said he was conservative and not truly capable.A contemporary, , said he was "idle and preoccupied with his own pleasures."On 18 October 1748 Hasselaer was among the High and Mighty Lords of the States General of the United Provinces who were signatories to the Treaty of Aix-la-Chapelle (1748) which ended the War of the Austrian Succession.Hasselaer was a director of the Indian Council when, in December 1748, Joan Gideon Loten obtained a position as a Councillor extraordinary.