John Mackie may refer to: John C. Mackie (1920–2008), U.S. Representative from Michigan John Duncan Mackie (1887–1978), Scottish historian J. L. Mackie (1917–1981), Australian-born philosopher, best known for his views on meta-ethics John Mackie, Baron John-Mackie (1909–1994), British Labour Member of Parliament 1959–1974 John Mackie (Scottish Unionist politician) (1898–1958), Scottish Unionist Member of Parliament for Galloway 1931–1958 John Mackie (physician) (1748–1831), Scottish physician John F. Mackie (1835–1910), first United States Marine to receive the Medal of Honor John Milton Mackie (1813–1894), American writer John Mackie (Kirkcudbright MP) (died 1858), MP for Kirkcudbright Stewartry John Mackie (born 1961), bassist for Scottish post-punk band Scars