Allardyce is both a surname and a given name. Notable people with the name include:
SurnameAlexander Allardyce (1846–1896), Scottish authorCraig Allardyce (born 1975), English football manager and former player and agent, son of Sam AllardycePaula Allardyce, a pseudonym of Ursula Torday (1912–1997), novelistSam Allardyce (born 1954), English football manager and retired player, father of Craig AllardyceWilliam Allardyce (1861–1930), British civil servant, governor of several former coloniesGiven nameAllardyce Mallon (born 1965), Scottish composer, conductor, repetiteur and pianistAllardyce Nicoll (1894–1976), English literary scholar and teacher