Lac Rieutard (English: Rieutard Lake) is a freshwater body from the watershed of the Jacques-Cartier River, and sub-basins of the Rivière Jacques-Cartier Nord-Ouest and Cavée River, in the unorganized territory of Lac-Jacques-Cartier, in the La Côte-de-Beaupré Regional County Municipality, in the administrative region of Capitale-Nationale, in the province of Quebec, in Canada.

The surface of Rieutard Lake is usually frozen from the beginning of December to the end of March, however the safe circulation on the ice is generally made from mid-December to mid-March.

XVIII, 1912, page 3, published: "Doctors Rieutord Père et Fils On the Nancy in the harbor of Quebec, in 1759, was a Gascon.

He settled in Baie Saint-Paul where he married in 1758, a young and valiant Canadian, Pélagie Perron, nineteen years old.

From there, he went to Château-Richer where he raised his family... " The toponym "Lac Rieutard" was formalized on December 5, 1968, by the Commission de toponymie du Québec.