Edgar Laurence "Dunc" Gray (17 July 1906 – 30 August 1996) was an Australian track cyclist and Olympian.

He won a bronze medal for the 1000m time trial at the 1928 Summer Olympics in Amsterdam.

At the 1932 Summer Olympics in Los Angeles he won Australia's first cycling gold in the same event, in world record time of 1m 13s.

He was the flag-bearer for Australia at the 1936 Summer Olympics in Berlin and at the 1938 British Empire Games.

Speedwell bicycles were manufactured by Charles Bennett, a former Intercolonial Champion of Australia, who raced pennyfathings before Federation in 1901.