David Brabham (born 5 September 1965) is an Australian professional racing driver and one of the most successful and experienced specialists in sports car racing. He has won three international Sports Car series and is one of four Australians to have won the Le Mans 24 Hour sports car race, winning the event in 2009. Brabham won the American Le Mans Series in 2009 and 2010. He also competed in Formula One, racing for the Brabham and Simtek teams in 1990 and 1994, respectively. Brabham is the youngest son of three-time Formula One world champion Sir Jack Brabham, brother to Geoff Brabham and Gary Brabham. He is also brother-in-law to Mike Thackwell, father to Sam Brabham and uncle to Matthew Brabham.