Cornish is a surname. Notable people with the surname include:
Abbie Cornish (born 1982), Australian actress Albert J. Cornish (1856–1920), Justice of the Nebraska Supreme Court Audie Cornish (born 1979), American journalist Charles John Cornish (1858–1906), English naturalist and author Cyril Cornish (1891–1961), Australian politician D. M. Cornish (born 1972), Australian fantasy author Francis Evans Cornish (1831–1878), Canadian politician Fred Cornish (1876–1940), Wales international rugby player Gene Cornish (born 1944), American musician (The Young Rascals) Harry Cornish (1871–1918), English cricketer Hugh Cornish (1934–2024), Australian television personality James Cornish (1792–1865), British politician Jane Antonia Cornish, English composer Jessie J (born 1988) (real name Jessica Cornish), English R&B and Soul recording artist Joe Cornish (born 1968), British television personality Joe Cornish (photographer) (born 1958), British landscape photographer John Cornish (1837–1918), Inaugural Anglican bishop of St Germans Jon Cornish (born 1984), Non-Import Canadian Football League player Kimberley Cornish, Australian writer on Wittgenstein and Hitler Kirk Cornish, Bahamian politician Mary Cornish, New Zealand performing arts educator Mitch Cornish (born 1993), Australian rugby league player Richard Cornish (born 1942), Australian artist and art theoretician Richard Cornish (shipmaster) (died 1625), shipmaster accused of forcible sodomy Robert E. Cornish (1903–1963), controversial American researcher Samuel Cornish, 1st Baronet (c. 1715 –1750), British naval commander and MP Samuel Cornish (1795–1858), African-American Presbyterian minister Sandy Cornish (1793–1869), civic leader in Key West, Florida; former slave Vaughan Cornish (1862–1948), English geographer. Virginia Cornish, American chemist William Cornish (disambiguation), various people