| 13097 | ONG, Rachel Sze Ern | Balwyn High School | Balwyn North | Physics | 43 |
| 13098 | ONG, Ruth Yu-Xin | Oxley Christian College | Chirnside Park | English | 44 |
| 13099 | ONG, Ruth Yu-Xin | Oxley Christian College | Chirnside Park | Art | 41 |
| 13100 | ONYEKA, Ikenna Joshua | Hillcrest Christian College | Clyde North | Further Mathematics | 47 |
| 13101 | OOI, Brandon Wey Hwang | Melbourne High School | South Yarra | Further Mathematics | 40 |
| 13102 | OOI, Li Sha | Methodist Ladies College | Kew | English as an Additional Language | 48 |
| 13103 | OOI, Li Sha | Methodist Ladies College | Kew | Music Performance | 47 |
| 13104 | OOI, Li Sha | Methodist Ladies College | Kew | Psychology | 44 |
| 13105 | OOI, Li Sha | Methodist Ladies College | Kew | Chemistry | 43 |
| 13106 | OON, Angela Yan Ling | Balwyn High School | Balwyn North | Food Studies | 40 |
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| 13107 | OPIE, Frasier Powell | Wanganui Park Secondary College | Shepparton | Further Mathematics | 42 |
| 13108 | ORDONA, Jarred Mark | Nossal High School | Berwick | English | 43 |
| 13109 | ORELLANA, Stephanie Luyan | Heritage College Officer | Officer | Psychology | 42 |
| 13110 | ORELLANA, Stephanie Luyan | Heritage College Officer | Officer | Religion and Society | 40 |
| 13111 | ORFORD, Euan Jonty | Geelong Grammar School | Corio | Product Design and Technology | 42 |
| 13112 | ORGILL, Bonnie Irene | Foster Secondary College | Foster | Studio Arts | 41 |
| 13113 | ORIETA, Sofia Pilar | Victorian School of Languages | Thornbury | Languages: Spanish | 40 |
| 13114 | ORLOWSKA, Alicja Nela | Berwick Secondary College | Berwick | Chemistry | 46 |
| 13115 | ORLOWSKA, Alicja Nela | Berwick Secondary College | Berwick | Biology | 42 |
| 13116 | ORLOWSKA, Alicja Nela | Berwick Secondary College | Berwick | Further Mathematics | 41 |
| 13117 | ORLOWSKA, Alicja Nela | Berwick Secondary College | Berwick | English as an Additional Language | 40 |
| 13118 | ORR, Angus Walter | St Michaels Grammar School | St Kilda | Psychology | 41 |
| 13119 | ORR, Devon Elias | Ballarat Grammar School | Wendouree | Product Design and Technology | 43 |
| 13120 | ORR, Emily Kate | Box Hill High School | Box Hill | Health and Human Development | 43 |
| 13121 | ORR, Isabella Grace | Frankston High School | Frankston | Outdoor and Environmental Studies | 41 |
| 13122 | ORRELL, Emily Louise | Star of the Sea College | Brighton | Psychology | 41 |
| 13123 | ORRELL, Emily Louise | Star of the Sea College | Brighton | Legal Studies | 40 |
| 13124 | ORSOLIC, Isabella | Emmaus College | Vermont South | English Language | 41 |
| 13125 | ORTILE, Inigo | Werribee Secondary College | Werribee | Further Mathematics | 40 |
| 13126 | ORTLAND, Dayna Kate | Kilbreda College | Mentone | Health and Human Development | 40 |
| 13127 | ORVAL, Hannah Maree | Caulfield Grammar School Wheelers Hill | Wheelers Hill | Business Management | 41 |
| 13128 | OSADCHIY, Michael Aron | The King David School | Armadale | Further Mathematics | 42 |
| 13129 | OSANG, Sarah Sachie | Canterbury Girls Secondary College | Canterbury | Visual Communication Design | 44 |
| 13130 | OSBORN, Eliza Claire | Wanganui Park Secondary College | Shepparton | Further Mathematics | 40 |
| 13131 | OSBORN, Freddie | Scotch College | Hawthorn | Further Mathematics | 42 |
| 13132 | OSBORN, Freddie | Scotch College | Hawthorn | English | 41 |
| 13133 | OSBORNE, Daniel John | Kardinia International College | Bell Post Hill | Further Mathematics | 43 |
| 13134 | OSBORNE, Harry John Stock | Brighton Grammar School | Brighton | Business Management | 46 |
| 13135 | OSBORNE, Harry John Stock | Brighton Grammar School | Brighton | English | 45 |
| 13136 | OSBORNE, Harry John Stock | Brighton Grammar School | Brighton | Geography | 44 |
| 13137 | OSBORNE, Lachlan James | Goulburn Valley Grammar School | Shepparton | Accounting | 44 |
| 13138 | OSINSKI, Simon | Aquinas College | Ringwood | Biology | 43 |
| 13139 | OSINSKI, Simon | Aquinas College | Ringwood | English | 40 |
| 13140 | OSMAN, Lucy Angelica | Tintern Grammar | Ringwood East | Psychology | 41 |
| 13141 | OSMAN, Nour | Ilim College of Australia | Broadmeadows | Psychology | 44 |
| 13142 | OSMAN, Nour | Ilim College of Australia | Broadmeadows | Health and Human Development | 43 |
| 13143 | OSMAN, Simona Ava | Ivanhoe Girls Grammar School | Ivanhoe | English | 46 |
| 13144 | OSMAN, Simona Ava | Ivanhoe Girls Grammar School | Ivanhoe | Business Management | 45 |
| 13145 | OSMAN, Simona Ava | Ivanhoe Girls Grammar School | Ivanhoe | Legal Studies | 40 |
| 13146 | OSTROGNAJ, Teagan Jade | Beaconhills College Pakenham | Pakenham | English | 44 |