| 14195 | O'Neill, Alana | Lowther Hall Anglican Grammar School | Essendon | Philosophy | 40 |
| 14196 | O'Neill, Blake | Peninsula Grammar | Mount Eliza | Physical Education | 40 |
| 14197 | O'Neill, Gabriela | St Columbas College | Essendon | English | 43 |
| 14198 | O'Neill, Gabriela | St Columbas College | Essendon | International Studies | 40 |
| 14199 | O'Neill, Kelly | Wonthaggi Secondary College | Wonthaggi | Physical Education | 42 |
| 14200 | O'Neill, Tullia | Tallangatta Secondary College | Tallangatta | English | 40 |
| 14201 | O'Regan, Jamie | Marcellin College | Bulleen | English | 44 |
| 14202 | O'Regan, Jamie | Marcellin College | Bulleen | Legal Studies | 44 |
| 14203 | O'Regan, Jamie | Marcellin College | Bulleen | Further Mathematics | 43 |
| 14204 | O'Regan, Jamie | Marcellin College | Bulleen | Biology | 40 |
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| 14205 | O'Reilly, Amy | Gippsland Grammar | Sale | English | 40 |
| 14206 | O'Reilly, Caitlin | Vermont Secondary College | Vermont | Food and Technology | 41 |
| 14207 | O'Reilly, Claire | Sacred Heart College Geelong | Newtown | Mathematical Methods (CAS) | 43 |
| 14208 | O'Reilly, Gemma | Kardinia International College | Bell Post Hill | Biology | 43 |
| 14209 | O'Rielly, Fiona | Caulfield Grammar School Wheelers Hill | Wheelers Hill | Geography | 40 |
| 14210 | O'Shannassy, Adele | Star of the Sea College | Brighton | Mathematical Methods | 45 |
| 14211 | O'Shea, Benjamin | St Kevins College | Toorak | Economics | 41 |
| 14212 | O'Shea, Benjamin | St Kevins College | Toorak | English | 40 |
| 14213 | O'Shea, Hannah | Wesley College Glen Waverley | Glen Waverley | Further Mathematics | 42 |
| 14214 | O'Shea, Jack | Geelong Grammar School | Corio | Geography | 42 |
| 14215 | O'Shea-Korbut, Sean | Williamstown High School | Williamstown | Psychology | 44 |
| 14216 | O'Sullivan, Clive | Xavier College | Kew | Accounting | 41 |
| 14217 | O'Sullivan, Fergus | Brighton Grammar School | Brighton | Visual Communication Design | 43 |
| 14218 | O'Sullivan, Harry | Xavier College | Kew | Geography | 42 |
| 14219 | O'Sullivan, Patrick | Xavier College | Kew | Geography | 43 |
| 14220 | O'Sullivan, Roisin | Ballarat Clarendon College | Ballarat | Health and Human Development | 49 |
| 14221 | O'Sullivan, Roisin | Ballarat Clarendon College | Ballarat | History: Revolutions | 43 |
| 14222 | O'Sullivan, Timothy | Warrnambool College | Warrnambool | Further Mathematics | 45 |
| 14223 | O'Sullivan, Timothy | Warrnambool College | Warrnambool | Physics | 44 |
| 14224 | O'Sullivan-Kirchner, Tabatha | Emmanuel College Warrnambool | Warrnambool | Food and Technology | 42 |
| 14225 | Oakley, Brian | Goulburn Valley Grammar School | Shepparton | Visual Communication Design | 40 |
| 14226 | Oakley, Laura | Loreto College | Ballarat | Religion and Society | 42 |
| 14227 | Oakley, Laura | Loreto College | Ballarat | English | 40 |
| 14228 | Oakley, Nathan | Mount Waverley Secondary College | Mount Waverley | Information Technology (VCE VET) | 45 |
| 14229 | Oakley, Nathan | Mount Waverley Secondary College | Mount Waverley | Software Development | 41 |
| 14230 | Oakley, Nathan | Mount Waverley Secondary College | Mount Waverley | Further Mathematics | 40 |
| 14231 | Oates, Rachel | Beaconhills College Pakenham | Pakenham | Biology | 41 |
| 14232 | Oates, Rachel | Beaconhills College Pakenham | Pakenham | English | 41 |
| 14233 | Oates, Rachel | Beaconhills College Pakenham | Pakenham | Health and Human Development | 41 |
| 14234 | Oatley, Morgan | Braemar College | Woodend | History: Revolutions | 43 |
| 14235 | Oatley, Morgan | Braemar College | Woodend | English | 42 |
| 14236 | Oats, Christopher | Rutherglen High School | Rutherglen | Physical Education | 43 |
| 14237 | Oberin, James | Caulfield Grammar School Caulfield | St Kilda East | Physical Education | 46 |
| 14238 | Obeyesekere, Rajiva | Overnewton Anglican College | Keilor | Further Mathematics | 42 |
| 14239 | Obeyesekere, Rajiva | Overnewton Anglican College | Keilor | Physics | 40 |
| 14240 | Ocampo, Regina | MacRobertson Girls High School | Melbourne | Environmental Science | 40 |
| 14241 | Ochnia, Katarzyna | Norwood Secondary College | Ringwood | Food and Technology | 42 |
| 14242 | Ochnia, Katarzyna | Norwood Secondary College | Ringwood | Health and Human Development | 40 |
| 14243 | Ockerse, Joseph | St Thomas Aquinas College | Tynong | Chemistry | 43 |
| 14244 | Ockerse, Joseph | St Thomas Aquinas College | Tynong | Physics | 42 |