Marcel Massé PC OC QC (born June 23, 1940) is a Canadian politician and civil servant.
Massé was born in Montreal in 1940 and graduated from McGill University and Pembroke College, Oxford (as Rhodes Scholar in 1963). He served as Clerk of the Privy Council in 1979 during the government of Prime Minister Joe Clark. In his distinguished public service career, he also served as President of the Canadian International Development Agency, on two occasions; was undersecretary for external affairs; and represented Canada as its executive director at the International Monetary Fund, World Bank and Inter-American Development Bank.
Massé's career in elected politics began when he ran as a candidate for Jean Chrétien's Liberal Party in the 1993 federal election. He was elected to the Canadian House of Commons as Member of Parliament for Hull—Aylmer.
Following the election, he was appointed to the Canadian Cabinet as Minister of Intergovernmental Affairs, President of the Queen's Privy Council for Canada and Minister responsible for Public Service Renewal.