Normandin Lake is a freshwater body of the unorganized territory of Lac-Ashuapmushuan, Quebec, in the western part of the Regional County Municipality (MRC) Le Domaine-du-Roy, in the administrative region of Saguenay-Lac-Saint-Jean, in the province of Quebec, in Canada.

This lake is entirely located in the canton of Ventadour which is at the end West of the MRC Le Domaine-du-Roy.

The surface of Normandin Lake is usually frozen from early November to mid-May, however safe ice circulation is generally from mid-November to mid-April.

The latter had traveled the region of Saguenay-Lac-Saint-Jean in 1732 to draw a detailed map of the place by locating the lakes, large and small, and to fix the boundaries of the Domaine du Roi.

Normandin also wrote a journal entitled Journal de voyage that Joseph-Laurent Normandin had made in the King's domain in Canada from the Chicoutimi post office to the height of the land in 1732.