Bradley Aaron "Brad" Knowles (born 29 October 1981) is an Australian cricketer who previously played domestically for Victoria and Western Australia. A right-arm fast bowler, Knowles made his Pura Cup debut for Victoria against New South Wales in 2004–05, as a replacement for Mick Lewis. Knowles lost his Cricket Victoria contract at the end of an "injury interrupted" 2006/07 season, although he played a match for Victoria after that.