MasterChef Australia series 17
The seventeenth series of the Australian television cooking show MasterChef Australia, also known as MasterChef: Back To Win and MasterChef Australia: Back To Win, was announced on 16 September 2024. It featured the same four judges as series 16, namely series 4 winner Andy Allen, food writer Sofia Levin, French chef Jean-Christophe Novelli and series 1 runner-up Poh Ling Yeow.
Similar to series 12, series 17 featured a Back to Win concept, with 24 contestants from previous series returning for a chance to win the title.
The series premiered on 28 April 2025.
Laura Sharrad won the grand finale on 12 August 2025, defeating Callum Hann 80–73.
Contestants Sarah Todd and Declan Cleary began a relationship during filming of the series, and moved in together after elimination. In October 2025 they announced Todd was pregnant.
Contestants
The 24 returning contestants were announced on 16 March 2025.| Contestant | Age | State | Occupation | Original Series | Previous Season Placing | Status |
| Laura Sharrad | 29 | SA | Chef | Series 6 | Runner-up | Winner 12 August |
| Laura Sharrad | 29 | SA | Chef | Series 12 | Runner-up | Winner 12 August |
| Callum Hann | 35 | SA | Chef and restaurateur | Series 2 | Runner-up | |
| Callum Hann | 35 | SA | Chef and restaurateur | Series 12 | 4th | |
| Jamie Fleming | 36 | QLD | Bar owner | Series 6 | 4th | Third place 11 August |
| Depinder Chhibber | 33 | NSW | Pharmacist and supper club owner | Series 13 | 8th | Eliminated 4 August |
| Ben Macdonald | 47 | NZ | Catering chef | Series 6 | 6th | Eliminated 29 July |
| Sarah Todd | 37 | VIC | Chef and restaurateur | Series 6 | 9th | Eliminated 27 July |
| Sarah Todd | 37 | VIC | Chef and restaurateur | Series 14 | Runner-up | Eliminated 27 July |
| Snezana Calic | 42 | VIC | Chef | Series 16 | 15th | Eliminated 20 July |
| Alana Lowes | 44 | QLD | Journalist and TV presenter | Series 3 | 3rd | Eliminated 13 July |
| Audra Morrice | 54 | NSW | TV host and judge | Series 4 | 3rd | Eliminated 6 July |
| Andre Ursini | 44 | SA | Restaurateur and business owner | Series 1 | 7th | Eliminated 1 July |
| Declan Cleary | 27 | NSW | Carpenter | Series 15 | 3rd | Eliminated 29 June |
| Theo Loizou | 39 | VIC | Electrician | Series 15 | 4th | Eliminated 24 June |
| Beau Cook | 40 | VIC | Firefighter and cookbook author | Series 4 | 8th | Eliminated 22 June |
| Samira El Khafir | 39 | VIC | Businesswoman and cafe owner | Series 5 | 3rd | Eliminated 15 June |
| Darrsh Clarke | 33 | VIC | Chef and management consultant | Series 16 | 6th | Eliminated 8 June |
| Tim Bone | 39 | VIC | Sandwich business owner | Series 11 | 4th | Eliminated 1 June |
| Rue Mupedzi | 31 | WA | Catering chef | Series 15 | 7th | Eliminated 27 May |
| Rhiannon Anderson | 48 | QLD | Business owner | Series 15 | Runner-up | Eliminated 25 May |
| Jimmy Wong | 58 | NSW | Food photographer and content creator | Series 8 | 19th | Eliminated 20 May |
| Matt Hopcraft | 53 | VIC | Dentist and associate professor | Series 7 | 6th | Eliminated 18 May |
| Steph De Sousa | 52 | NSW | Content creator and caterer | Series 11 | 12th | Eliminated 11 May |
| Sav Perera | 31 | SA | Private chef and caterer | Series 16 | 3rd | Eliminated 6 May |
| Cath Collins | 56 | VIC | Food business owner | Series 15 | 5th | Eliminated 4 May |
| Pete Campbell | 40 | NSW | Chef | Series 13 | Runner-up | Withdrew 30 April |
Guests
| Week | Guest | Challenge |
| 1 | Gordon Ramsay | Team service challenge |
| 1 | Gordon Ramsay | Keeping Up with Gordon challenge |
| 2 | Peter Gilmore | Mystery box |
| 2 | Kirsten Tibballs | Pressure test |
| 2 | Shannon Bennett | Immunity challenge |
| 3 | Curtis Stone | Immunity challenge |
| 4 | Steven He | Pressure test |
| 5 | Josh Niland | Elimination challenge |
| 5 | Ixta Belfrage | Mystery box |
| 5 | Blayne Bertoncello | Pressure test |
| 6 | Sooshi Mango | Mystery box |
| 6 | John Demetrios | Pressure test |
| 6 | Andy Cooks | Elimination challenge |
| 8 | Junda Khoo | Elimination challenge |
| 9 | Nornie Bero | Mystery box |
| 9 | Curtis Stone | Elimination challenge |
| 9 | Curtis Stone | Immunity challenge |
| 9 | Maggie Beer | Elimination challenge |
| 10 | Philip Khoury | Pressure test |
| 12 | Michael Wilson | Pressure test |
| 13 | Hugh Allen | Service challenge |
| 14 | Julie Goodwin | Elimination challenge |
| 14 | Nat Thaipun | Elimination challenge |
| 14 | Vaughan Mabee | Elimination challenge |
| 16 | Miko Aspiras | Pressure test |