Haaltert is a municipality located in the Belgian province of East Flanders in the Denderstreek. The municipality comprises the towns of Denderhoutem, Haaltert proper, Heldergem and Kerksken. In 2021, Haaltert had a total population of 18,892. The total area is 30.30 km². The current mayor of Haaltert is Veerle Baeyens, from the N-VA.