| 13863 | O'Shaughnessy, Jack | Melbourne Grammar School | Melbourne | Mathematical Methods | 40 |
| 13864 | O'Shaughnessy, Samantha | Genazzano F.C.J. College | Kew | Health and Human Development | 48 |
| 13865 | O'Shaughnessy, Samantha | Genazzano F.C.J. College | Kew | Further Mathematics | 44 |
| 13866 | O'Shaughnessy, Samantha | Genazzano F.C.J. College | Kew | Psychology | 44 |
| 13867 | O'Shaughnessy, Samantha | Genazzano F.C.J. College | Kew | English Language | 42 |
| 13868 | O'Shea, Emily | Santa Maria College | Northcote | Biology | 41 |
| 13869 | O'Shea, Lucy | Victorian Dance Academy | Mitcham | Dance | 44 |
| 13870 | O'Shea, Maggie | Brunswick Secondary College | Brunswick | Further Mathematics | 44 |
| 13871 | O'Shea, Maggie | Brunswick Secondary College | Brunswick | History: Revolutions | 43 |
| 13872 | O'Shea, Timothy | St Patricks College | Ballarat | Mathematical Methods | 40 |
| |
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| 13873 | O'Shea-Korbut, Nicola | Williamstown High School | Williamstown | Health and Human Development | 47 |
| 13874 | O'Shea-Korbut, Nicola | Williamstown High School | Williamstown | Psychology | 47 |
| 13875 | O'Sullivan, Emily | East Doncaster Secondary College | Doncaster East | Food and Technology | 40 |
| 13876 | O'Sullivan, Joshua | Lavalla Catholic College | Traralgon | Engineering Studies (Certificate II) | 40 |
| 13877 | O'Sullivan, Lucy | Caulfield Grammar School Caulfield | St Kilda East | English | 49 |
| 13878 | O'Sullivan, Lucy | Caulfield Grammar School Caulfield | St Kilda East | Literature | 43 |
| 13879 | O'Sullivan, Lucy | Caulfield Grammar School Caulfield | St Kilda East | Legal Studies | 42 |
| 13880 | O'Sullivan, Patrick | St Bernards College | Essendon | Further Mathematics | 40 |
| 13881 | O'Sullivan, Tom | Xavier College | Kew | English | 41 |
| 13882 | O'Toole, Fae | Academy of Mary Immaculate | Fitzroy | English | 43 |
| 13883 | O'Toole, Fae | Academy of Mary Immaculate | Fitzroy | Literature | 41 |
| 13884 | O'Toole, Jeremy | Luther College | Croydon Hills | Business Management | 40 |
| 13885 | O'Toole, Madeleine | Sacred Heart College Geelong | Newtown | English | 44 |
| 13886 | O'Toole, Rupert | Haileybury College | Keysborough | English | 40 |
| 13887 | O'Toole, Rupert | Haileybury College | Keysborough | Physical Education | 40 |
| 13888 | Oakes, Sophie | Strathmore Secondary College | Strathmore | Product Design and Technology | 46 |
| 13889 | Oakes, Sophie | Strathmore Secondary College | Strathmore | Visual Communication Design | 42 |
| 13890 | Oakes, Sophie | Strathmore Secondary College | Strathmore | Chemistry | 40 |
| 13891 | Oakley, Jacinta | Luther College | Croydon Hills | Studio Arts | 50 |
| 13892 | Oakley, Nathan | Parade College | Bundoora | Visual Communication Design | 44 |
| 13893 | Oates, Alex | Billanook College | Mooroolbark | Product Design and Technology | 42 |
| 13894 | Oates, Amelia | Methodist Ladies College | Kew | Product Design and Technology | 48 |
| 13895 | Oberholzner, Annelise | Shelford Girls Grammar | Caulfield | Art | 44 |
| 13896 | Oberholzner, Annelise | Shelford Girls Grammar | Caulfield | Business Management | 41 |
| 13897 | Oberin, Daniel | Catholic College Wodonga | Wodonga | Further Mathematics | 50 |
| 13898 | Oberin, Daniel | Catholic College Wodonga | Wodonga | Legal Studies | 41 |
| 13899 | Oberoi, Avanti | Glen Waverley Secondary College | Glen Waverley | English | 44 |
| 13900 | Obieglo, Victoria | St Albans Secondary College | St Albans | Psychology | 40 |
| 13901 | Obradov, Elly | Sacre Coeur | Glen Iris | Australian History | 42 |
| 13902 | Obradov, Elly | Sacre Coeur | Glen Iris | English | 41 |
| 13903 | Obrenov, Leon | Melbourne High School | South Yarra | English | 44 |
| 13904 | Obrenov, Leon | Melbourne High School | South Yarra | Media | 41 |
| 13905 | Obrenov, Leon | Melbourne High School | South Yarra | Literature | 40 |
| 13906 | Occhipinti, Alexander | Emmanuel College Warrnambool | Warrnambool | Further Mathematics | 41 |
| 13907 | Odrowaz, Thomas | Mazenod College | Mulgrave | Business Management | 42 |
| 13908 | Oghanna, Mirna | St Monicas College | Epping | English | 41 |
| 13909 | Ohi, Joseph | Fairhills High School | Knoxfield | Information Technology (VCE VET) | 46 |
| 13910 | Ohlert, Claudia | Star of the Sea College | Brighton | Media | 45 |
| 13911 | Ohlson, Fraser | The Knox School | Wantirna South | Physics | 43 |
| 13912 | Oke, Claudia | MacRobertson Girls High School | Melbourne | Biology | 44 |