| 14205 | O'Brien, Luke | Caulfield Grammar School Caulfield | St Kilda East | Further Mathematics | 46 |
| 14206 | O'Brien, Luke | Caulfield Grammar School Caulfield | St Kilda East | Physical Education | 41 |
| 14207 | O'Brien, Luke | Mowbray College Melton | Melton | Economics | 40 |
| 14208 | O'Brien, Madelin | Kaniva P-12 College | Kaniva | Food and Technology | 43 |
| 14209 | O'Brien, Megan | Our Lady of Sion College | Box Hill | Legal Studies | 41 |
| 14210 | O'Brien, Philippa | Ivanhoe Girls Grammar School | Ivanhoe | Studio Arts | 45 |
| 14211 | O'Brien, Philippa | Ivanhoe Girls Grammar School | Ivanhoe | English | 43 |
| 14212 | O'Brien, Samuel | The Geelong College | Newtown | International Studies | 40 |
| 14213 | O'Brien, Zachary | Galen College | Wangaratta | Health and Human Development | 45 |
| 14214 | O'Brien, Zoe | Star of the Sea College | Brighton | English | 40 |
| 14215 | O'Bryan, Annie | Loreto Mandeville Hall | Toorak | Studio Arts | 44 |
| 14216 | O'Bryan, Annie | Loreto Mandeville Hall | Toorak | English | 41 |
| 14217 | O'Bryan, Conor | Xavier College | Kew | English | 47 |
| 14218 | O'Bryan, Conor | Xavier College | Kew | Literature | 46 |
| 14219 | O'Bryan, Edward | Xavier College | Kew | Mathematical Methods (CAS) | 41 |
| 14220 | O'Byrne, Thomas | Xavier College | Kew | History: Renaissance Italy | 46 |
| 14221 | O'Byrne, Thomas | Xavier College | Kew | Literature | 44 |
| 14222 | O'Byrne, Thomas | Xavier College | Kew | English | 43 |
| 14223 | O'Callaghan, Eliza | Carey Baptist Grammar School | Kew | Texts and Traditions | 41 |
| 14224 | O'Callaghan, Jack | Yarra Valley Grammar School | Ringwood | Business Management | 43 |
| 14225 | O'Callaghan, Michael | Bairnsdale Secondary College | Bairnsdale | Outdoor and Environmental Studies | 40 |
| 14226 | O'Connell, Ben | Warrnambool College | Warrnambool | Outdoor and Environmental Studies | 47 |
| 14227 | O'Connell, Ben | Warrnambool College | Warrnambool | Health and Human Development | 41 |
| 14228 | O'Connell, John | Penleigh and Essendon Grammar School | Keilor East | Mathematical Methods | 40 |
| 14229 | O'Connell, John | Penleigh and Essendon Grammar School | Keilor East | Software Development | 40 |
| 14230 | O'Connell, Lauren | Canterbury Girls Secondary College | Canterbury | Business Management | 40 |
| 14231 | O'Connell, Thomas | Goulburn Valley Grammar School | Shepparton | Further Mathematics | 42 |
| 14232 | O'Connell, Thomas | Goulburn Valley Grammar School | Shepparton | Industry and Enterprise | 42 |
| 14233 | O'Connell, Thomas | Goulburn Valley Grammar School | Shepparton | Outdoor and Environmental Studies | 42 |
| 14234 | O'Connor, Ashlea | Catholic College Bendigo | Bendigo | Health and Human Development | 42 |
| 14235 | O'Connor, Edward | Distance Education Centre Victoria | Thornbury | Psychology | 44 |
| 14236 | O'Connor, Edward | Mortlake College | Mortlake | English | 41 |
| 14237 | O'Connor, Ellen | Mansfield Secondary College | Mansfield | Further Mathematics | 41 |
| 14238 | O'Connor, Emily | Caulfield Grammar School Caulfield | St Kilda East | Health and Human Development | 42 |
| 14239 | O'Connor, Emily | Caulfield Grammar School Caulfield | St Kilda East | Further Mathematics | 41 |
| 14240 | O'Connor, James | St Josephs College Geelong | Newtown | Further Mathematics | 43 |
| 14241 | O'Connor, James | St Josephs College Geelong | Newtown | Design and Technology | 41 |
| 14242 | O'Connor, James | St Josephs College Geelong | Newtown | Economics | 41 |
| 14243 | O'Connor, Megan | Horsham College | Horsham | Health and Human Development | 45 |
| 14244 | O'Connor, Megan | Horsham College | Horsham | Psychology | 42 |
| 14245 | O'Connor, Michelle | Ave Maria College | Aberfeldie | Further Mathematics | 45 |
| 14246 | O'Connor, Sarah | Echuca High School | Echuca | Health and Human Development | 46 |
| 14247 | O'Connor, Sarah | Echuca High School | Echuca | Studio Arts | 43 |
| 14248 | O'Connor, Sarah | Echuca High School | Echuca | Literature | 41 |
| 14249 | O'Dea, Adrian | St Bernards College | Essendon | English | 47 |
| 14250 | O'Dea, Adrian | St Bernards College | Essendon | Studio Arts | 42 |
| 14251 | O'Dea, Catherine | Ave Maria College | Aberfeldie | Outdoor and Environmental Studies | 42 |
| 14252 | O'Donahoo, Georgia | Canterbury Girls Secondary College | Canterbury | Psychology | 48 |
| 14253 | O'Donahoo, Georgia | Canterbury Girls Secondary College | Canterbury | Health and Human Development | 44 |
| 14254 | O'Donnell, Jessica | St Michaels Grammar School | St Kilda | Design and Technology | 40 |