Justin William Lemberg (born 23 August 1966) is an Australian former middle-distance swimmer of the 1980s, who won a bronze medal in the 400-metre freestyle, swimming at the 1984 Summer Olympics in Los Angeles. He was coached by the flamboyant Laurie Lawrence.

Justin Lemberg

Personal information
Full name	Justin William Lemberg
National team	Australia
Born	(1966-08-23) 23 August 1966 (age 57) Brisbane, Queensland
Height	1.78 m (5 ft 10 in)
Weight	65 kg (143 lb)
Sport
Sport	Swimming
Strokes	Freestyle
College team	University of Alabama
Medal record Men's swimming Representing Australia Olympic Games 1984 Los Angeles 400 m freestyle Pan Pacific Games 1985 Tokyo 400 m freestyle Summer Universiade 1985 Kobe 400 m freestyle

Born and raised in Brisbane, Queensland, Lemberg put in the best performance of his life to improve his Australian record by more than two seconds to claim bronze, just 0.56 seconds behind the American duo of George DiCarlo and John Mykkanen. He also competed in the 200-metre and 1500-metre freestyle events, but was eliminated in the heats. He narrowly missed a second bronze, coming fourth as part of the 4x200-metre freestyle relay.