The Amazing Race Australia 1 is the first season of The Amazing Race Australia, an Australian reality competition show based on the American series The Amazing Race. Hosted by Grant Bowler, it featured eleven teams of two, each with a pre-existing relationship, in a race around the world to win the grand prize of A$250,000. The show was produced by activeTV Australia. This season visited four continents and eleven countries and travelled over 50,000 kilometres (31,000 mi) during twelve legs. Starting in Melbourne, racers travelled through Indonesia, Vietnam, Hong Kong, Macau, South Africa, the Netherlands, the Czech Republic, Poland, Israel, Sri Lanka and Singapore before finishing in Perth. The show premiered on Australia's Seven Network on 16 May 2011. The season finale aired on 1 August 2011.

Rebel Melanie Elizabeth Wilson is an Australian actress and producer. After graduating from the Australian Theatre for Young People in 2003, Wilson began appearing in the SBS comedy series Pizza (2003–2007) and later appeared in the sketch comedy show The Wedge (2006–2007). She wrote, produced and starred in the musical comedy series Bogan Pride (2008). Shortly after moving to the United States, Wilson appeared in the comedy films Bridesmaids and A Few Best Men, both in 2011.