Hardaker is a surname. Notable people with the surname include:
Alan Hardaker (1912–1980), English football administrator Caroline Hardaker (born 1986), English poet and novelist Claire Hardaker (linguist) (born 1981), English forensic and corpus linguist Julie Hardaker (born 1960), New Zealand lawyer and mayor Sara Hardaker (born 1975), British professional badminton player Zak Hardaker (born 1991), English rugby league player