Alexander Abercromby may refer to:
Sir Alexander Abercromby, 1st Baronet (c. 1603–1684), Scottish politician, commissioner for Banffshire 1640–1641, 1643, 1646–1648 and 1661–1663 Alexander Abercromby (Scottish politician, born 1678) (1678–1728), Scottish politician, MP for Banffshire 1706–1727 Alexander Abercromby, Lord Abercromby (1745–1795), Scottish advocate, judge and essayist Alexander Abercromby (British Army officer) (1784–1853), Scottish army officer and politician, MP for Clackmannanshire
See also Abercromby (surname)