James Jack may refer to James Jack (artist) (born 1979), American Asian contemporary artist James Jack (trade unionist) (1910–1987), Scottish trade unionist James Jack (1731–1822), American who carried the Mecklenburg Declaration of Independence Julian Jack (James Julian Bennett Jack, born 1936), New Zealand physiologist James Lochhead Jack (1880–1962), British Army officer James Millar Jack (1847/48–1912), Scottish trade unionist
See also James Jacks (1947–2014), American film producer