Ironside is a surname. Notable people with the surname include:
Adelaide Ironside (1831–1867), Australian artistChristopher Ironside, British artist and designerDavid Ironside, South African cricketerEdmund Ironside, King of England during 1016Edmund Ironside, 1st Baron Ironside, British general after the Russian Revolution as well as in the Second World WarGilbert Ironside the elder (1588–1671), Bishop of BristolGilbert Ironside the younger (1632–1701)Harry A. Ironside, Bible teacher, preacher, and pastorIsaac Ironside (1808–1870), British ChartistJaney Ironside (1919–1979), Professor of fashionMichael Ironside, Canadian character actorRobert Ironside, New Zealand international footballerRobert Ironside (businessman), Canadian businessmanSamuel Ironside (1814–1897), New Zealand missionaryVirginia Ironside, British journalistChristopher Evans-Ironside, English/German composer and musicianHenry Bax-Ironside (1859–1929), British diplomat