Andrew Collett (born 8 November 1978) is an Australian judoka, who competed in the men's lightweight category. He held seven Australian senior titles in his own division, picked up a total of sixteen medals in his career, including two golds from the Oceania Championships, and represented his nation Australia in two editions of the Olympic Games (2000 and 2004). Throughout his sporting career, Collett trained full-time for Caulfield Judo Club in his native Melbourne, under head coach and sensei Arthur Moorshead (later died in 2010).