Saint-Robert-Bellarmin is a municipality in the Municipalité régionale de comté du Granit in Estrie, Quebec, Canada, located on the Canada–United States border.

The local economy revolves mostly around lumber, sugar bushes and the seasonal deer hunt.

The municipality was named after Robert Bellarmine, an Italian Jesuit who participated actively in the Counter-Reformation.

The territory of Saint-Robert-Bellarmin is equidistant from Saint-Gédéon-de-Beauce, to the north, and Saint-Ludger, to the west, from which it is a dozen kilometers away, Saint-Robert-Bellarmin is bounded in its southern part by the border which separates Quebec of Maine.

A mountainous expanse, the territory of Saint-Robert-Bellarmin is dominated by Mount Sandy Stream, which rises to 950 m.[4]