Noues de Sienne is a commune in the department of Calvados, northwestern France. The municipality was established on 1 January 2017 by merger of the former communes of Saint-Sever-Calvados, Champ-du-Boult, Courson, Fontenermont, Le Gast, Le Mesnil-Benoist, Le Mesnil-Caussois, Mesnil-Clinchamps, Saint-Manvieu-Bocage and Sept-Frères.