Chillingworth is a surname, and may refer to:
Charles F. Chillingworth (1877–1967), Hawaiian lawyer and politician Charles F. Chillingworth Jr. (1903–1976), Hawaiian vice admiral Curtis Chillingworth (1896–1955), Florida attorney and state judge Daniel Chillingworth (born 1981), English football player David Chillingworth (born 1951), Scottish Anglican bishop Garry Chillingworth (born 1970), Australian cricketer Roger Chillingworth, character from Nathaniel Hawthorne's novel The Scarlet Letter (1850) Sonny Chillingworth (1932–1994), Hawaiian slack-key guitar player William Chillingworth (1602–1644), controversial English churchman
See also Chillingworth Stakes, an American Thoroughbred horse race