Maurice Roy CC OBE (January 25, 1905 – October 24, 1985) was a Canadian Catholic prelate who served as Archbishop of Quebec from 1947 to 1981.

He served in the United Kingdom, Italy, France, Belgium, the Netherlands, and Germany from 1939 to 1943 and attained the rank of colonel.

Roy received his episcopal consecration on the following May 1 from Cardinal Jean-Marie-Rodrigue Villeneuve, OMI, with Bishops Albini Lafortune and Arthur Douville serving as co-consecrators, in the Cathedral-Basilica of Notre-Dame.

As President of the Pontifical Council for the Laity and of the Pontifical Council for Justice and Peace, it was to Roy, that Pope Paul VI addressed his apostolic letter of 14 May 1971, Octogesima adveniens commemorating the eightieth anniversary of Rerum novarum and discussing the role of the laity and local churches in responding to situations of injustices.

He was a cardinal elector in the conclaves of August and October 1978, and stepped down as Quebec's archbishop on March 20, 1981,[2] after a period of thirty-three years.

Thus his baptism, confirmation, priestly ordination, episcopal consecration, installment as Archbishop of Quebec, and burial all took place at the Cathedral of Notre-Dame.