Terrence William "Terry" Buck was an Australian swimmer and coach. He represented Australia at the 1964 Summer Olympics in the 400m individual medley and placed eighth. He was the first Australian swimmer to participate at the Olympics as both an athlete and a coach. He was head coach in the 1984 Summer Olympics, and team manager in 1992 and 1996. Buck was also a surf lifesaver and a life member of the Clovelly Surf Club in New South Wales. He died in a tractor accident on his farm, leaving behind his wife, Laraine and three daughters.