The Honourable Pierre Bussières (born July 8 1939) is a former Canadian politician.
Bussières was first elected to the Canadian House of Commons in the 1974 federal election as the MP for Portneuf. He was re-elected in 1979, this time from Charlesbourg and was chairman of the Quebec Liberal caucus while the party was in opposition.
The defeat of the Progressive Conservative government of Joe Clark on a non-confidence motion occurred after Pierre Trudeau had announced his resignation as Liberal Party leader. Bussières quickly announced that the Quebec caucus unanimously supported Trudeau's return as leader and urged the former prime minister to rescind his resignation. After the rest of the federal caucus and the party executive followed suit in requesting his return, Trudeau announced that he would lead the Liberals into the 1980 federal election held as a result of the Clark government's fall.
The Liberals were elected with a majority government and Trudeau appointed Bussières to cabinet as Minister of State for finance. In 1982 he was promoted to Minister of National Revenue.
Bussières was not included in the cabinet of Trudeau's successor, John Turner, formed in June 1984. Nevertheless, he was a candidate in the 1984 federal election but was defeated as the Liberals lost governent and were reduced to forty seats.