Andrew Mackay may refer to: Andrew Mackay (mathematician) (1760–1809), Scottish mathematician Andrew William McKay (art dealer) (died 1899), British art dealer William Andrew MacKay (1929–2013), Canadian lawyer Andy Mackay (born 1946), English musician, founder of Roxy Music Andrew MacKay (born 1949), British Conservative politician Andrew Mackay (British Army officer), British Army major general Andy McKay (born 1980), New Zealand cricketer Andrew Mackay (swimmer) (born 1985), Olympic swimmer from the Cayman Islands