Caddick is a surname. Notable people with the surname include:
Andy Caddick (born 1968), English cricketer Bill Caddick (1944–2018), English musician Bill Caddick (footballer) (1898–1981), English footballer Edward Caddick (1931–2017), English actor Helen Caddick (1845–1927), English travel writer Melissa Caddick (1971–2020), Australian fraudster Paul Caddick (born 1950), British businessman Richard Caddick (1740–1819), English Hebraist William Caddick (1719–1794), English painter
See also Peter Caddick-Adams (born 1960), British military historian