Edgar Laurence "Dunc" Gray (17 July 1906 – 30 August 1996) was an Australian track cyclist and Olympian.Gray was born in Goulburn, New South Wales. He was called 'Dunc', which dates back to school where he was called 'Dunc' and this was later was extended to 'Duncan'. He started competitive cycling with Goulburn Amateur Cycling Club around 1925. From 1926 to 1941 he won 20 Australian titles, 36 New South Wales titles, and 36 club championships.