Hobday is a surname. Notable people with the surname include:
Alfred Charles Hobday (1870–1942), English viola player Charles Hobday (1917–2005), English poet Claude Hobday (1872–1954), English double bass player Ethel Hobday (1872–1947), Irish pianist Sir Frederick Hobday (1869–1939), President of the Royal Veterinary College Sir Gordon Hobday (1916–2015), scientist and businessman Jimmy Hobday (born 1951), English lawn and indoor bowler Justin Hobday (born 1963), South African golfer Peter Hobday (footballer) (born 1961), English footballer Peter Hobday (presenter) (1937–2020), BBC presenter Ralph Hobday (1899–1975), designer of the Brookwood Memorial Ruth Hobday, New Zealand publisher, of Blackwell & Ruth Simon Hobday (1940–2017), South African golfer William Armfield Hobday (1771–1831), British portrait painter