Donald Mackay

• Donald McKay (politician) (1836–1895), Canadian politician • Donald Mackay, 11th Lord Reay (1839–1921), Dutch-born British administrator and Liberal politician • Donald McDonald Mackay (1845–1904), Australian politician • Donald W. MacKay (1874–1952), Canadian politician • Donald Morrison MacKay (1889–1953), Canadian politician • Donald Brenham McKay, former mayor of Tampa, Florida • Don McKay (politician) (1908–1988), New Zealand politician • Donald Hugh Mackay (1914–1979), mayor of Calgary, Alberta • Donald Mackay (anti-drugs campaigner) (1933–1977), Australian politician and anti-drugs campaigner • Donald Mackay, Baron Mackay of Drumadoon (1946–2018), Scottish judge == Sports ==

• Donald George Mackay (1870–1958), Australian explorer and long-distance cyclist • Donald McKay (footballer) (fl. 1890s), Scottish footballer • Don Mackay (born 1940), Scottish football player • Donald Mackay-Coghill (born 1941), South African cricketer == Other people ==

• Donald Mackay, 5th of Strathnaver (died 1370), chief of the ancient Clan Mackay • Donald Mackay, 11th of Strathnaver (died 1550), chief of the ancient Clan Mackay • Donald Mackay, 1st Lord Reay (1591–1649), Scottish peer and soldier • Donald Mackay (fur trader) (1753–1833), Canadian trader with the North West Company • Donald Mackay (Royal Navy officer) (1780–1850), British admiral • Donald McKay (1810–1880), Canadian-American shipbuilder • (1938) one of the first C2 ships • Donald McKay (scout) (1836–1899), American scout, actor, and spokesman • Donald MacKay (architect) (), Scottish-American architect • Donald Cameron MacKay (1906–1979), Canadian maritime artist • Donald A. Mackay (1914–2005), American illustrator • Donald McKay (RAF officer) (1917–1959), British flying ace of the Second World War • Donald MacCrimmon MacKay (1922–1987), Scottish physicist • Donald Mackay (scientist) (1936–2023), Scottish-born Canadian scientist of environmental chemistry • Donald Mackay (medical doctor) (died 1981)