George Mackay or Mckay may refer to:
Arts and entertainment George McKay (actor) (1884–1945), Russian-American actor George Frederick McKay (1899–1970), American composer George MacKay (actor) (born 1992), English actor
Law and politics George Mackay of Skibo (c. 1715–1782), Scottish soldier and MP for Sutherland George R. McKay (1817–1890), American politician in Michigan George McKay (Australian politician) (1819–1898), New South Wales colonial politician George Prevost McKay (1840–1924), Canadian businessman and political figure in Ontario George Mackay (Australian politician) (1872–1961), Speaker of the Australian House of Representatives
Sports George Mackay (cricketer) (1860–1948), Australian cricketer George MacKay (rower) (1900–1972), Canadian rower George McKay (rugby union) (fl. 1920–1922), Australian rugby union player George Mackay (rugby union) (1906–1981), Australian rugby union player
Others George Mackay, 3rd Lord Reay (1678–1748), Scottish noble George Mackay, 5th Lord Reay (1735–1768), Scottish noble George Leslie Mackay (1844–1901), Canadian missionary George Mackay (surgeon) (1861–1949), British ophthalmic surgeon George William Mackay (1882–1969), Canadian missionary in Taiwan George Chisholm MacKay (1898–1973), Canadian World War I pilot
See also George Mackay Brown (1921–1996), Scottish poet, author and dramatist George Mackey (1916–2006), American mathematician George Mackie (disambiguation)