| 13006 | OEHLMANN, Sophie Louise | Brunswick Secondary College | Brunswick | Product Design and Technology | 50 |
| 13007 | OEHLMANN, Sophie Louise | Brunswick Secondary College | Brunswick | Further Mathematics | 40 |
| 13008 | OEHLMANN, Sophie Louise | Brunswick Secondary College | Brunswick | Psychology | 40 |
| 13009 | OFFICER, Charlie | Mentone Grammar School | Mentone | Physical Education | 44 |
| 13010 | OGDEN, Gabrielle Louise | Padua College | Mornington | Agricultural and Horticultural Studies | 45 |
| 13011 | OGIER, Ella Helene | Yarra Valley Grammar School | Ringwood | Further Mathematics | 41 |
| 13012 | OJHA, Nitya | Nossal High School | Berwick | Biology | 42 |
| 13013 | OJHA, Nitya | Nossal High School | Berwick | Further Mathematics | 42 |
| 13014 | OKA, Sachi Keolani | Caulfield Grammar School Wheelers Hill | Wheelers Hill | English | 41 |
| 13015 | OLALEKAN, Oluwaremi Jade | Salesian College Sunbury | Sunbury | English | 42 |
| |
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| 13016 | OLANDER, Bronte Ella | Our Lady of Mercy College | Heidelberg | Business Management | 45 |
| 13017 | OLANDER, Bronte Ella | Our Lady of Mercy College | Heidelberg | Media | 42 |
| 13018 | OLDHAM, Catherine Jane | Strathcona Girls Grammar School | Canterbury | Languages: French | 41 |
| 13019 | OLDING, Clare Frances | St Michaels Grammar School | St Kilda | Product Design and Technology | 49 |
| 13020 | OLDING, Clare Frances | St Michaels Grammar School | St Kilda | Chemistry | 41 |
| 13021 | OLDING, Clare Frances | St Michaels Grammar School | St Kilda | English | 41 |
| 13022 | OLIVE, Hannah Claudia | Methodist Ladies College | Kew | Food Studies | 42 |
| 13023 | OLIVE, Henry James | St Kevins College | Toorak | Geography | 41 |
| 13024 | OLIVER, Catherine Alison | Elwood College | Elwood | Health and Human Development | 40 |
| 13025 | OLIVER, Ellie-Maree | McKinnon Secondary College | McKinnon | Psychology | 43 |
| 13026 | OLIVER, Ellie-Maree | McKinnon Secondary College | McKinnon | Accounting | 40 |
| 13027 | OLIVER, Grace Elizabeth | Siena College | Camberwell | English | 42 |
| 13028 | OLIVER, Grace Elizabeth | Siena College | Camberwell | Psychology | 40 |
| 13029 | OLIVER, Hannah Bianca | Rosebud Secondary College | Rosebud | Further Mathematics | 44 |
| 13030 | OLIVER, Jemma Elise | Bendigo Senior Secondary College | Bendigo | Health and Human Development | 40 |
| 13031 | OLIVER, Joshua | St Bedes College | Mentone | Theatre Studies | 41 |
| 13032 | OLIVER, Joshua | St Bedes College | Mentone | English | 40 |
| 13033 | OLIVER, Lachlan Keith | The Hamilton and Alexandra College | Hamilton | Further Mathematics | 47 |
| 13034 | OLIVER, Mikayla Kate | St Francis Xavier College | Beaconsfield | Product Design and Technology | 43 |
| 13035 | OLIVER, Persia Lilli | Toorak College | Mount Eliza | Media | 45 |
| 13036 | OLIVER, Thomas William | Scotch College | Hawthorn | Psychology | 41 |
| 13037 | OLIVER, Zachary Joseph | Ballarat Grammar School | Wendouree | Further Mathematics | 44 |
| 13038 | OLLE, Lolita Dianne | Star of the Sea College | Brighton | English | 40 |
| 13039 | OLLE, Lolita Dianne | Star of the Sea College | Brighton | Further Mathematics | 40 |
| 13040 | OLNEY-FRASER, Matthew Peter | Melbourne Grammar School | Melbourne | Art | 50 |
| 13041 | OLNEY-FRASER, Matthew Peter | Melbourne Grammar School | Melbourne | English | 41 |
| 13042 | OLNEY-FRASER, Matthew Peter | Melbourne Grammar School | Melbourne | Philosophy | 41 |
| 13043 | OLOFSSON, Jessica Francesca | Our Lady of Mercy College | Heidelberg | Media | 45 |
| 13044 | OLOFSSON, Jessica Francesca | Our Lady of Mercy College | Heidelberg | English | 43 |
| 13045 | OLSEN, Jared Mackenzie | Ballarat Grammar School | Wendouree | Mathematical Methods | 46 |
| 13046 | OLSEN, Jared Mackenzie | Ballarat Grammar School | Wendouree | Physics | 41 |
| 13047 | OLSEN, Jared Mackenzie | Ballarat Grammar School | Wendouree | Specialist Mathematics | 40 |
| 13048 | OLSEN, Lucy Kate | Viewbank College | Viewbank | English | 41 |
| 13049 | OMAR, Zade Oscar | Woodleigh School | Langwarrin South | Food Studies | 43 |
| 13050 | OMAR, Zade Oscar | Woodleigh School | Langwarrin South | English | 41 |
| 13051 | OMRAN, Omar | Kardinia International College | Bell Post Hill | Business Management | 46 |
| 13052 | OMRAN, Omar | Kardinia International College | Bell Post Hill | Biology | 45 |
| 13053 | OMRAN, Omar | Kardinia International College | Bell Post Hill | Chemistry | 45 |
| 13054 | OMRAN, Omar | Kardinia International College | Bell Post Hill | English | 42 |
| 13055 | ONDAATJE, Samuel Brian | Blackburn High School | Blackburn | Music Investigation | 40 |