List of The X Factor (Australian TV series) finalists

Season three winner Reece Mastin is the most successful contestant from the show, having attained two top-five albums and three number-one singles, with nine platinum and three gold certifications.

[1] Each category was mentored by Mark Holden (head judge), Kate Ceberano and John Reid.

[10] Sebastian (head judge) returned in season 7 along with Chris Isaak and James Blunt to replace Redfoo, Bassingthwaighte and Keating.

Mel B returned in 8 along with Iggy Azalea and Adam Lambert to replace Minogue, Issak and Blunt.

The judges not to win were Reid, Cebrano, Imbruglia, Sandilands, Bassingthwaighte, Mel B, Redfoo, Blunt and Azalea with Bassingthwaighte placing runner-up in 2011 and 2014 (the first and the fourth of her four years on the panel), Reid, Imbruglia, Brown and Blunt placing runner-up in 2005, 2010, 2012 and 2015 respectively (their only season), Cebrano and Sandilands’ best performance having their contestant being the last eliminated in 2005 and 2010 respectively (their only season), Redfoo’s best performance having his contestant being the ninth eliminated in 2014 (the second of his two years on the panel) and Azalea’s best performance having her contestant being the third eliminated in 2016 (her only season).