Andrew Mackay, MacKay or McKay may refer to:

  • Andrew Mackay (mathematician) (1760–1809), Scottish mathematician

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  • Andrew MacKay (Canadian politician) (fl. 1908–1911), member of the Legislative Assembly of Ontario
  • Andy Mackay (born 1946), English musician, founder of Roxy Music
  • Andrew MacKay (British politician) (born 1949), British Conservative politician
  • Andrew Mackay (British Army officer) (fl. 1979–2009), British Army major general
  • Andrew McKay (Australian footballer) (born 1970), Australian rules footballer
  • Andrew Mackay (Australian politician), member of the Northern Territory Legislative Assembly from 2024
  • Andrew McKay (soccer) (fl. 1983–2001), Scottish-born American soccer player
  • Andy McKay (born 1980), New Zealand cricketer
  • Andrew McKay (actor) (born 1981), English actor
  • Andrew Mackay (swimmer) (born 1985), Olympic swimmer from the Cayman Islands

See also

  • William Andrew MacKay (1929–2013), Canadian lawyer