John A. Macdonald was Canada's first prime minister
John Alexander Macdonald may also refer to:
John Alexander MacDonald (Prince Edward Island politician) (1838–1905), speaker of the Prince Edward Island assembly John Alexander Macdonald (Prince Edward Island politician) (1874–1948), Canadian member of parliament for King's, Prince Edward Island John Alexander Macdonald (Nova Scotia politician) (1883–1945), Conservative member for Richmond-West Cape Breton, Nova Scotia John Alexander MacDonald (Nova Scotia politician) (unknown–1938), Farmers member for Hants, Nova Scotia John A. MacDonald (Nova Scotia politician) (1979–Present), Progressive Conservative provincial member Jack MacDonald (Hamilton politician) (1927–2010), businessman, journalist, and mayor of Hamilton, Ontario John Alexander McDonald (politician) (1889–1962), Liberal senator from Nova Scotia
See also John Macdonald (disambiguation)