John A. MacDonald (born January 25, 1979) is a Canadian politician who was elected to the Nova Scotia House of Assembly in the 2021 Nova Scotia general election. He represents the riding of Hants East as a member of the Progressive Conservative Association of Nova Scotia.
On October 21, 2025, MacDonald was appointed to the Executive Council of Nova Scotia as Minister of Municipal Affairs.
He is a small business owner and active volunteer.