Anthony John Biddle OAM (born 18 June 1975) is an Australian Paralympic tandem cyclist and athlete. He was born in the New South Wales city of Gosford. He competed in athletics without winning any medals at the 1996 Atlanta Games and the 2000 Sydney Games. At the 2004 Athens Games, he switched to cycling and won a gold medal in the Men's 1 km Time Trial Tandem B1–3 event, for which he received a Medal of the Order of Australia, and a bronze medal in the Men's Sprint Tandem B1–3 event. Kial Stewart was his pilot for both events.