William Brown (born 5 June 1998) is an Australian racing driver currently competing in the Repco Supercars Championship with Erebus Motorsport, driving the No. 9 Holden ZB Commodore. In 2017, Brown received the Mike Kable Young Gun Award, and was also awarded The Peter Brock Medal by the Confederation of Australian Motorsport (CAMS) for his outstanding year in racing. With championship wins in both the Australian Formula 4 and the Australian Toyota Racing Series in 2016, Brown became one of only five drivers in Australian motorsport history to achieve two national racing titles in one year.