Pierre Breton (born October 3, 1966) is a Canadian Liberal politician who was elected as a Member of Parliament in the House of Commons of Canada to represent the federal electoral district of Shefford during the 2015 Canadian federal election. He was defeated in the 2019 Canadian federal election. He began his involvement in politics by volunteering on the campaigns of Jean Lapierre, the Liberal MP for Shefford from 1979 to 1993. In 2005, he was elected as an independent to the city council of Granby, and held that position until his election to the House of Commons.