Roderick Blaker (born 23 November 1936 in Montreal, Quebec) was a Liberal party member of the Canadian House of Commons. He was an announcer, journalist and lawyer by career.
He was first elected at the Lachine electoral district in the 1972 federal election and was re-elected in 1974, 1979 and 1980.
He served consecutive terms in the 29th to 32nd Canadian Parliaments then left federal politics in 1984 without campaigning in that year's federal election.