Saint-Maxime-du-Mont-Louis is a municipality in Quebec, Canada. Located in the administrative region of Gaspésie–Îles-de-la-Madeleine and the regional county municipality of La Haute-Gaspésie, the municipality comprises the communities of Mont-Louis, Ruisseau-des-Olives, L'Anse-Pleureuse, Les Côtes-du-Portage and Gros-Morne.