Batiscan is a municipality in the Mauricie region of the province of Quebec in Canada. It is located along the St Lawrence River at the mouth of the Batiscan River.

Batiscan River has its source in the region of Lac Édouard, in the Laurentians Mountains, the Batiscan River flows over a length of 177 km. It receives water from numerous tributaries, including, in its upper reach, the Rivière aux Éclairs and the Jeannotte river. In its downstream part, it waters Saint-Narcisse and Sainte-Geneviève-de-Batiscan before flowing into the St. Lawrence River at Batiscan.