Desmarais is a surname of French origin, commonly found in Canada and other French-speaking regions. It is often associated with families and individuals who have made significant contributions in various fields, including business, politics, and the arts. One notable figure with the surname Desmarais is Paul Desmarais, a prominent Canadian businessman and philanthropist. He was known for his leadership in the Power Corporation of Canada, a major financial services and holding company. His influence extended beyond business, as he was also involved in various charitable initiatives and cultural organizations.