Duncan MacIntyre

Duncan MacIntyre or Duncan McIntyre may refer to:


 * Duncan Ban MacIntyre (1724–1812), Scottish Gaelic poet
 * Duncan MacIntyre (New Zealand politician) (1915–2001), New Zealand politician
 * Duncan McIntyre (businessman) (1834–1894), Canadian businessman
 * Duncan McIntyre (explorer) (1831–1866), Australian explorer
 * Duncan A. McIntyre, American aviation pioneer
 * Duncan John McIntyre (1842–1920), Canadian lawyer and political figure from Ontario