L'aqueduc de Louveciennes (Louveciennes Aqueduct), sometimes called aqueduc de Marly (Marly Aqueduct) is an aqueduct built in the 17th century under the reign of Louis XIV, located in Louveciennes (now in the French département of the Yvelines, in the west suburb of Paris). Now out of service, the aqueduct is listed as Monument historique since 1953. It was a part of the hydraulic network in charge of provide waters for the château de Marly and the Gardens of Versailles from the Seine river with a former huge pump called "Machine de Marly".