The Canton of Saint-Méen-le-Grand is a former canton of France, in the Ille-et-Vilainedépartement,[1] located southwest of Rennes. It had 11,135 inhabitants (2012).[2] It was disbanded following the French canton reorganisation which came into effect in March 2015. It consisted of 9 communes,[2] which joined the canton of Montauban-de-Bretagne in 2015.[3] It is located between Rennes and Brest.