Raymond Langlois (10 April 1936 12 August 1996) was a Ralliement créditiste and Social Credit party member of the House of Commons of Canada. He was a professor by career.
He was first elected at the Mégantic riding in the 1962 general election, then re-elected there in 1963 and 1965. While serving in Parliament, he was his party's representative on the House of Commons committee inquiring into the creation of a new Canadian flag.
After completing his term in the 27th Canadian Parliament, Langlois left the House of Commons and did not seek re-election in the 1968 election. He was unsuccessful in an attempt to return to Parliament in the 1972 election at Lapointe riding.