James, Jim, or Jim Mackay may refer to:
Law and politics 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 Mackay, 1st Earl of Inchcape (1852–1932), British colonial administrator James Alexander Kenneth Mackay (1859–1935), Australian politician, writer and military leader James Armstrong MacKay (1919–2004), US representative from Georgia James Mackay, Baron Mackay of Clashfern (1927–2026), Scottish lawyer and former Lord Chancellor James MacKay (New Hampshire politician), member of the New Hampshire House of Representatives
Sports James Mackay (cricketer) (1880–1953), Australian cricketer James Mackay (rugby union) (1905–1985), New Zealand rugby union player Jimmy Mackay (1943–1998), Australian footballer Jim "Bones" Mackay (born 1965), American golf caddy for Phil Mickelson
Others James Mackay (British Army officer) (1718–1785), Scottish captain in the British Army during the French and Indian War James Townsend Mackay (1775–1862), Scottish botanist who lived in Ireland James A. Mackay (1936–2007), Scottish historian and philatelist James Mackay (film producer) (born 1954), British film producer James Mackay (actor) (born 1984), Australian actor
See also James McKay (disambiguation) James Mackey (disambiguation) James Mackie (disambiguation)