The canton of Plateau d'Hauteville (before February 2021: canton of Hauteville-Lompnes) is an administrative division in eastern France. At the French canton reorganisation which came into effect in March 2015, the canton was expanded from 6 to 41 communes (21 of which have since merged into the new communes of Champdor-Corcelles, Culoz-Béon, Haut-Valromey, Plateau d'Hauteville, Valromey-sur-Séran and Arvière-en-Valromey):