MasterChef Australia (series 9)
The ninth series of the Australian cooking game show MasterChef Australia premiered on 1 May 2017 on Network Ten. Judges Gary Mehigan, George Calombaris and Matt Preston from the previous series returned.
This series was won by Diana Chan in the grand finale against Ben Ungermann, on 24 July 2017.
Changes
This series introduced the "Power Pin" in the seventh week. The pin grants the wearer an extra 15 minutes cooking time in the challenge the user chooses to use the pin until the finals.Contestants
Top 24
The Top 24 contestants were announced on 1–3 May 2017. Chosen contestant Josh Clearihan was a previous auditionee from the eighth series who failed to reach the auditions when he was hospitalized with brain damage after a run-in with a car thief. The series featured other previous auditionees: Pia Gava, Benita Orwell and Eloise Praino.| Contestant | Age | State | Occupation | Status |
| Diana Chan | 29 | VIC | Accountant | Winner 24 July |
| Ben Ungermann | 32 | QLD | Retail Manager | Runner-up 24 July |
| Karlie Verkerk | 26 | NSW | Copywriter | Third place 23 July |
| Tamara Graffen | 28 | WA | Engineering Officer | Eliminated 20 July Returned 13 June Eliminated 12 June |
| Arum Nixon | 34 | NSW | Advertising Strategist | Eliminated 18 July |
| Sarah Tiong | 26 | NSW | Risk Consultant | Eliminated 17 July |
| Eliza Wilson | 30 | VIC | Theatre Nurse | Eliminated 13 July |
| Eloise Praino | 32 | SA | Graduate Law Clerk | Eliminated 10 July |
| Callan Smith | 18 | NSW | Student | Eliminated 6 July |
| Sam Goodwin | 25 | VIC | Construction Coordinator | Eliminated 29 June |
| Nicole Wellington | 24 | QLD | Medical Secretary | Eliminated 26 June |
| Michelle Lukman | 19 | VIC | Student | Eliminated 22 June |
| Ray Silva | 42 | NSW | Doctor | Eliminated 15 June |
| Samuel Whitehead | 26 | SA | Market Stall Owner | Eliminated 8 June |
| Pete Morgan | 31 | WA | Crane Operator | Eliminated 5 June |
| Jess Butler | 29 | VIC | Nurse | Eliminated 1 June |
| Trent Devincenzo | 27 | NSW | Systems Engineer | Eliminated 29 May |
| Benjamin Bullock | 27 | WA | Lawyer | Eliminated 25 May |
| Bryan Zhu | 23 | NSW | Photographer | Eliminated 22 May |
| Benita Orwell | 57 | QLD | Ex-Ground Staff | Eliminated 18 May |
| Pia Gava | 49 | VIC | Contracts Officer | Eliminated 15 May |
| Josh Clearihan | 32 | VIC | Senior IT Administrator | Eliminated 11 May |
| Lee Behan | 29 | WA | Hospitality Manager | Eliminated 8 May |
| Rashedul Hasan | 35 | NSW | IT Program Director | Eliminated 4 May |
Future appearances
-In Series 10 Diana Chan appeared at the Auditions to Support the top 50.
-Ben Ungermann and Sarah Tiong appeared on Series 12. Ben withdrew from the competition on May 18, 2020, finishing in 16th and Sarah was eliminated on June 9 2020, finishing in 10th.