James Mackay

James Mackay may refer to:
 * James Mackay (British Army officer) (1718–1785), captain in the British Army during the French and Indian War
 * James Mackay (New Zealand politician, born 1804) (1804–1875), New Zealand MP
 * James Mackay (New Zealand politician, born 1831) (1831–1912), New Zealand farmer, explorer and member of the Auckland Provincial Council
 * James Alexander Kenneth Mackay (1859–1935), Australian politician, writer and military leader
 * James Mackay, 1st Earl of Inchcape (1852–1932), British colonial administrator
 * James Mackay (cricketer) (1880–1953), Australian cricketer
 * James Mackay (rugby union) (1905–1985), New Zealand rugby union player
 * James MacKay (American politician) (1919–2004), US Representative from Georgia
 * James Mackay, Baron Mackay of Clashfern (born 1927), Scottish lawyer and former Lord Chancellor
 * James A. Mackay (1936–2007), Scottish historian and philatelist
 * James Mackay (police officer), retired Deputy Chief Constable of Tayside police
 * James Mackay (film producer) (born 1954), friend and collaborator of Derek Jarman
 * James Mackay (actor) (born 1984), Australian actor
 * James Townsend Mackay (1775–1862), Scottish botanist who lived in Ireland
 * Jim "Bones" Mackay, golf caddy for Phil Mickelson
 * Jimmy Mackay (1943–1998), Australian footballer