The Ventadour River is a tributary of the south shore of Robert Lake flowing into Eeyou Istchee Baie-James (municipality), in Jamésie, in the administrative region of Nord-du-Québec, Quebec, Canada.

A logging camp has been established on the west bank of Lake Ventadour near a forest road.

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

The confluence of the Ventadour River with Robert Lake is located at: At various times in history, this territory has been occupied by the Attikameks, the Algonquin and the Cree.

The toponym "Ventadour River" was made official on December 5, 1968, at the Commission de toponymie du Québec, when it was created.