Heath MacDonald (born May 9, 1966) is a Canadian politician who has been Minister of Agriculture and Agri-Food since 2025. A member of the Liberal Party, MacDonald was elected to represent Malpeque in the House of Commons in the 2021 federal election.
A resident of Cornwall, Prince Edward Island (PEI), MacDonald has worked as a tourism operator and as executive director of Quality Tourism Services.
He was elected to the Legislative Assembly of PEI in the 2015 provincial election, representing the electoral district of Cornwall-Meadowbank as a member of the Prince Edward Island Liberal Party until he resigned on August 18, 2021 in order to run in the 2021 Canadian federal election.
On May 20, 2015, MacDonald was appointed to the Executive Council of Prince Edward Island as Minister of Economic Development and Tourism. On January 10, 2018, MacDonald was named Minister of Finance in a cabinet shuffle.
On June 21, 2021, MacDonald announced he would seek the nomination to run for the federal Liberal Party in Malpeque. He won the nomination later that summer and was elected in the 2021 federal election.
On May 13, 2025, MacDonald was appointed as Minister of Agriculture and Agri-Food. MacDonald had previously served on the agriculture committee, finance committee, and chair of the public safety and national security committee prior to entering cabinet.