Saint-Antonin may refer to the following places:
In France
Saint-Antonin, Alpes-Maritimes, in the Alpes-Maritimes département Saint-Antonin, Gers, in the Gers département Saint-Antonin-de-Lacalm, in the Tarn département Saint-Antonin-de-Sommaire, in the Eure département Saint-Antonin-du-Var, in the Var département Saint-Antonin-Noble-Val, in the Tarn-et-Garonne département Saint-Antonin-sur-Bayon, in the Bouches-du-Rhône département
In Canada
Saint-Antonin, Québec