Geoffrey Cornu (29 June 1913 – 29 June 2007) was an English first-class cricketer.
Born at Sheffield, Cornu was educated at Malvern College.
He made his debut in first-class cricket for the Free Foresters against Oxford University at Oxford in 1934.
He made four further appearances in first-class cricket for the Free Foresters, the last of which came in 1937 against Oxford University.
Across his five matches, he scored a total of 60 runs with a highest score of 21 not out, while with the ball he took 13 wickets with his leg break googly bowling, coming at a bowling average of 39.46 and best innings figures of 3/92.
Cornu served as a second lieutenant with the Royal Artillery during World War II.