Cornu is a surname. Notable people with the surname include:
Alain Cornu (1936–2025), French footballer Auguste Cornu (1888–1981), French Marxist philosopher and historian of philosophy Aurora Cornu (1931–2021), Romanian writer and actress Dominique Cornu (born 1985), Belgian road and track cyclist Francis Cornu (1794–1848), French playwright Geoffrey Cornu (1913–2007), English cricketer Gérard Cornu (born 1952), French politician Hortense Cornu (1809–1875), French socialite Jacques Cornu (1953–2026), Swiss motorcycle racer Jean Cornu (1650–1710/1715), French sculptor Jean-Claude Cornu (1938–2023), French sailor Jérémy Cornu (born 1991), French cyclist Jo Cornu (born 1944), Belgian engineer and business executive Manuel Cornu, French rock climber Marie Alfred Cornu (1841–1902), French physicist for whom the Cornu spiral (also known as the Euler spiral) is named Marie Maxime Cornu (1843–1901), French botanist and mycologist Paul Cornu (1881–1944), French engineer sometimes credited as the creator of the first helicopter René Cornu (1929–1986), French swimmer Sébastien-Melchior Cornu (1804–1870), French painter
See also Cornu (disambiguation)