Ironside is a surname. Notable people with the surname include:
Adelaide Ironside (1831–1867), Australian artist
Christopher Ironside, British artist and designer
David Ironside, South African cricketer
Edmund Ironside, King of England during 1016
Edmund Ironside, 1st Baron Ironside, British general after the Russian Revolution as well as in the Second World War
Gilbert Ironside the elder (1588–1671), Bishop of Bristol
Gilbert Ironside the younger (1632–1701)
Harry A. Ironside, Bible teacher, preacher, and pastor
Isaac Ironside (1808–1870), British Chartist
Janey Ironside (1919–1979), Professor of fashion
Michael Ironside, Canadian character actor
Robert Ironside, New Zealand international footballer
Robert Ironside (businessman), Canadian businessman
Samuel Ironside (1814–1897), New Zealand missionary
Virginia Ironside, British journalist
Christopher Evans-Ironside, English/German composer and musician
Henry Bax-Ironside (1859–1929), British diplomat
