List of Australian Idol finalists

Australian Idol is an Australian talent reality television series that first aired in 2003.

During every season, the final round of competition features twelve singers, except for season three when it had thirteen finalists.

A total of 73 contestants have reached the finals of their season.

Out of the 73 contestants listed, 19 of them were under the age of 20, including two winners and two runners-up.

Season one winner Guy Sebastian currently holds the record for the highest-selling Australian Idol album, with more than four hundred thousand copies sold in Australia.