John Brassard MP (born May 11, 1964) is a Canadian politician, who was elected to represent the riding of Barrie—Innisfil in the House of Commons of Canada in the 2015 Canadian federal election.

[2] Brassard is a former city councillor for the Barrie City Council.

[2] Brassard was re-elected to represent the same riding at the 43rd Canadian Parliament as well as the 44th Canadian Parliament.

[3] Brassard occupied the position Deputy Whip of the Official Opposition in the 42nd and 43rd Commons, in addition to various Committee roles.

[3] On February 5, 2022 he was appointed Opposition House Leader by new interim Leader of the Conservative Party Candice Bergen.