George Mackay
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)