Sainte-Pétronille is a village municipality in the L'Île-d'Orléans Regional County Municipality in the Capitale-Nationale region of Quebec, Canada. It is situated on the south-western tip of Orléans Island, facing Quebec City. Former notable residents include the Boswell family, who owned the Boswell Brewery in Quebec City from 1843 to 1952, and painter Horatio Walker, whose workshop remains.