John MacKay explained
John MacKay, Mackay, or McKay may refer to:
Arts and academics
- John Bain Mackay (1795–1888), nurseryman based in Clapton, London
- John MacKay (journalist) (born 1967), Scottish television journalist and newscaster
- John D. Mackay (1909–1970), Orcadian man of letters
- John Henry Mackay (1864–1933), Scottish writer, anarchist, thinker and homosexual activist
- John Victor Mackay (1891–1945), American art director
- John Yule Mackay (1860–1930), Scottish anatomist and Principal of University College, Dundee
- John Mackay (poet) (1656–1754), Scottish Gaelic poet known as Am Pìobaire Dall
- John McKay (director), British film and television director
- John McKay (mathematician) (1939-2022), mathematician at Concordia University
- John McKay (musician), British guitarist and former member of Siouxsie & the Banshees
- John P. McKay, American historian and professor, author of A History of Western Society
- John McKay (pianist) (born 1938), Canadian-American pianist
- John Sturgeon Mackay (1843–1914), Scottish mathematician
Business
Military and public service
Politicians
- John Mackay, 11th of Strathnaver (died 1529), chief of the ancient Clan Mackay
- John MacKay, Baron MacKay of Ardbrecknish (1938–2001), Scottish Conservative Member of Parliament for Argyll, 1979–1987
- John George MacKay (1893–1974), farmer and political figure on Prince Edward Island
- John Keiller MacKay (1888–1970), 19th Lieutenant Governor of Ontario, Canada, 1957–1963
- John McKay (British politician) (1883–1964), British Labour Party MP for Wallsend, 1945–1964
- John McKay (MPP) (1841–?), Ontario physician and political figure
- John McKay (politician) (born 1948), member of the Canadian parliament
- John P. MacKay, Ontario politician
- John McKay (New Brunswick politician) (born 1948), former Speaker of the Legislative Assembly of New Brunswick and mayor of Miramichi, New Brunswick
- John McKay (Northern Ireland politician) (born 1945), member of the Northern Ireland Constitutional Convention
- William John MacKay, Ontario politician
Sports
Others
See also
