The Fifth Cycle of Australia's Next Top Model was an Australian reality television program which was broadcast on the Australian subscription television channel, FOX8. The cycle premiered on 28 April 2009. Auditions were held during October and November 2008 across Australia. Supermodel and television personality Sarah Murdoch took over as host for this cycle, replacing Jodhi Meares, who resigned from hosting duties after cycle four finished.

The competition was won by Tahnee Atkinson who defeated Cassi Van Den Dungen in the final.