Kewley is a surname of Manx origin, derived from Mac Amhlaoibh, meaning "son of Amhlaoibh". It may refer to the following notable people:
Edward Kewley (1852–1940), English sportsman who played rugby union for England and cricket for Lancashire James Kewley Ward (1819–1910), Canadian lumber merchant and politician Jennifer Kewley Draskau (died 2024), Manx linguist and historian Jeremy Kewley (born 1960), Australian actor; convicted of multiple sexual offences of 16 boys John Kewley, several people Kevin Kewley (born 1955), English retired professional footballer who played in both England and the United States Lisa Kewley, Australian Hubble Fellow in Astronomy at the University of Hawaii Institute for Astronomy Vanya Kewley (died 2012), Anglo-French journalist and documentary maker
See also Cowley (surname)