David Gregory "Dave" Smith (born 24 July 1955) is a retired male race walker from Australia, who represented his native country at two consecutive Summer Olympics, starting in 1980 (Moscow). His best Olympic result was finishing in tenth place in the men's 20 km race at the 1984 Summer Olympics.

His son, Dane Bird-Smith, also became an international walker for Australia.^[1]

Year	Competition	Venue	Position	Event	Notes
Representing  Australia
1979	World Race Walking Cup	Eschborn, West Germany	21st	20 km	1:25:36
1980	Olympic Games	Moscow, Soviet Union	—	20 km	DSQ
			—	50 km	DNF
1981	World Race Walking Cup	Valencia, Spain	—	20 km	DNF
1983	World Race Walking Cup	Bergen, Norway	—	20 km	DSQ
	World Championships	Helsinki, Finland	15th	20 km	1:25:23
1984	Olympic Games	Los Angeles, United States	10th	20 km	1:26:48
1985	World Indoor Championships	Paris, France	3rd	5,000 m	19:16
	World Race Walking Cup	St John's, Isle of Man	—	20 km	DSQ
1987	World Indoor Championships	Indianapolis, United States	5th	5,000 m	18:52
	World Race Walking Cup	New York City, United States	—	20 km	DSQ
	World Championships	Rome, Italy	—	20 km	DSQ
1991	World Race Walking Cup	San Jose, United States	46th	20 km	1:26:14

• David Smith at World Athletics
• Evans, Hilary; Gjerde, Arild; Heijmans, Jeroen; Mallon, Bill; et al. "David Smith". Olympics at Sports-Reference.com. Sports Reference LLC. Archived from the original on 18 April 2020.
• Profile