Maurice Roy was a Canadian Cardinal of the Roman Catholic Church. He served as Archbishop of Quebec from 1947 to 1981, and was elevated to the cardinalate in 1965.

The Archdiocese of Québec is a Latin Church ecclesiastical jurisdiction or archdiocese of the Catholic Church in Quebec, Canada. It is the oldest episcopal see in the New World north of Mexico and the primatial see of Canada. The Archdiocese of Quebec is also the metropolitan see of an ecclesiastical province with the suffragan dioceses of Chicoutimi, Sainte-Anne-de-la-Pocatière and Trois-Rivières. The archdiocese's cathedral is Notre-Dame de Québec in Quebec City.