Cowper (pronounced Cowper or Cooper depending on family) is a surname of several persons: Andrew Cowper (1898–1980), Australian fighter pilot Austen Cowper (1885–1960), South African cricketer Bob Cowper (1940–2025), Australian cricketer Sir Charles Cowper (1807–1875), Australian politician Charles Cowper Jr. (1834–1911), Australian politician, son of Sir Charles Cowper Snr. David Scott Cowper (born 1942), British yachtsman Douglas Cowper (1817–1839), British painter E. E. Cowper (1859–1933), British author Edward Alfred Cowper (1819–1893), British mechanical engineer and metallurgist Frances Maria Cowper (née Madan; sometimes known as Maria Frances; 1726–1797), British poet Francis Thomas de Grey Cowper, 7th Earl Cowper Frank Cowper (1849–1930), British yachtsman and author Frank Cadogan Cowper (1877–1958), British artist Gerry Cowper (born 1958), British actress Mary Cowper (1685–1724), British courtier and diarist Nicola Cowper (born 1967), British actress Peter Cowper (1902–1962), English footballer of the 1920s and 1930s Richard Cowper, pseudonym of John Middleton Murry Jr. (1926–2002) Robert Cowper (composer) (1465–1539/40), English composer Robert Cowper (RAAF officer) (1922–2016), flying ace of the Royal Australian Air Force Sarah Cowper (1644–1720), English diarist Spencer Cowper (1670–1728), British MP and barrister Spencer Cowper (priest) 1713–1774, Dean of Durham Cathedral Steve Cowper (born 1938), American politician and governor of Alaska William Cowper (disambiguation), multiple people
See also Earl Cowper, a title in the Peerage of Great Britain