Saint-Martin-de-Belleville is a former commune in the Savoie department in the Auvergne-Rhône-Alpes region in south-eastern France. On 1 January 2016, it was merged into the new commune of Les Belleville.
Saint-Martin-de-Belleville is home to one of the best restaurants in the French Alps, the 3 Michelin starred La Bouitte. It is also the setting for the infamous novel by the Marquis de Sade, The 120 Days of Sodom.