| 18977 | Yu, Mengjia Afra | Ringwood Secondary College | Ringwood | Chemistry | 41 |
| 18978 | Yu, Mengjia Afra | Ringwood Secondary College | Ringwood | Biology | 40 |
| 18979 | Yu, Mengjia Afra | Ringwood Secondary College | Ringwood | English as an Additional Language | 40 |
| 18980 | Yu, Nijad Bagen Khasim | Camberwell Grammar School | Canterbury | English | 42 |
| 18981 | Yu, Ruoyan | New Chinese Language and Culture School Thornbury | Thornbury | Languages: Chinese Second Language Advanced | 42 |
| 18982 | Yu, Tianyi | Scotch College | Hawthorn | Languages: Chinese Second Language Advanced | 40 |
| 18983 | Yu, Xiaotong | Haileybury Qingdao No 19 High School | Qingdao, China | Languages: Chinese First Language | 44 |
| 18984 | Yu, Xinran | Shelford Girls Grammar | Caulfield | Further Mathematics | 41 |
| 18985 | Yuan, Angela Yifei | University High School | Parkville | Mathematical Methods | 48 |
| 18986 | Yuan, Angela Yifei | University High School | Parkville | Chemistry | 43 |
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| 18987 | Yuan, Angela Yifei | University High School | Parkville | English as an Additional Language | 41 |
| 18988 | Yuan, Angela Yifei | University High School | Parkville | Specialist Mathematics | 40 |
| 18989 | Yuan, Kexin | Chinese Culture School Northcote Campus | Northcote | Languages: Chinese Second Language Advanced | 43 |
| 18990 | Yuan, Qing Angela | St Leonards College | Brighton East | Further Mathematics | 43 |
| 18991 | Yuan, Quan Lily | Brentwood Secondary College | Glen Waverley | Further Mathematics | 45 |
| 18992 | Yuan, Ruo Yi | Methodist Ladies College | Kew | Psychology | 45 |
| 18993 | Yuan, Ruo Yi | Methodist Ladies College | Kew | Accounting | 41 |
| 18994 | Yuan, Ruo Yi | Methodist Ladies College | Kew | Mathematical Methods | 41 |
| 18995 | Yuan, Ruo Yi | Methodist Ladies College | Kew | English | 40 |
| 18996 | Yuan, Sirong | Geelong Grammar School | Corio | Geography | 41 |
| 18997 | Yuan, Xiran | Chinese Culture School Melbourne High Campus | South Yarra | Languages: Chinese First Language | 41 |
| 18998 | Yuan, Yana | Loreto College | Ballarat | Further Mathematics | 42 |
| 18999 | Yuan, Zhuocheng | Waverley Christian College Wantirna South | Wantirna South | Mathematical Methods | 43 |
| 19000 | Yue, Shaun Alexander | Scotch College | Hawthorn | Physics | 41 |
| 19001 | Yuen, Carys Sze Nga | Waverley Christian College Wantirna South | Wantirna South | Further Mathematics | 41 |
| 19002 | Yuen, Joshua Shun Him | Waverley Christian College Wantirna South | Wantirna South | Further Mathematics | 46 |
| 19003 | Yuen, Victoria Laphay | MacRobertson Girls High School | Melbourne | Biology | 43 |
| 19004 | Yun, Dohun | Auburn High School | Hawthorn East | Chemistry | 46 |
| 19005 | Yuvaraj, Joanne Asha | Brentwood Secondary College | Glen Waverley | Theatre Studies | 41 |
| 19006 | Zaar, Francis Damian | Mazenod College | Mulgrave | English | 46 |
| 19007 | Zaar, Francis Damian | Mazenod College | Mulgrave | Physics | 44 |
| 19008 | Zaar, Francis Damian | Mazenod College | Mulgrave | Mathematical Methods | 43 |
| 19009 | Zafar, Eemaan | St Margarets Berwick Grammar Berwick Campus | Berwick | Psychology | 40 |
| 19010 | Zaghis, Isaac Jacob | Westbourne Grammar School | Truganina | Mathematical Methods | 44 |
| 19011 | Zaghis, Isaac Jacob | Westbourne Grammar School | Truganina | Physics | 40 |
| 19012 | Zahra, Sebastian | Mentone Grammar School | Mentone | Business Management | 43 |
| 19013 | Zahran, Yusuf Mohammed Bakr | Suzanne Cory High School | Werribee | Biology | 41 |
| 19014 | Zainal, Amy | Casey Grammar School | Cranbourne East | English | 41 |
| 19015 | Zajac, Julia | Haileybury Girls College | Keysborough | English | 42 |
| 19016 | Zajac, Julia | Haileybury Girls College | Keysborough | Legal Studies | 40 |
| 19017 | Zajac, Reuben Joel | Mount Scopus Memorial College | Burwood | Further Mathematics | 43 |
| 19018 | Zakary, Marina | Sacred Heart Girls College | Hughesdale | Health and Human Development | 50 |
| 19019 | Zakary, Marina | Sacred Heart Girls College | Hughesdale | Further Mathematics | 44 |
| 19020 | Zakary, Marina | Sacred Heart Girls College | Hughesdale | English | 41 |
| 19021 | Zaki, Natalie Rose | Sacred Heart Girls College | Hughesdale | Further Mathematics | 42 |
| 19022 | Zamanis, Emily | St Columbas College | Essendon | Business Management | 43 |
| 19023 | Zammit, Alexander Anthony | Westbourne Grammar School | Truganina | Further Mathematics | 44 |
| 19024 | Zammit, Zoe Maree | Copperfield College | Delahey | Psychology | 40 |
| 19025 | Zampatti, Liam Patrick | Trinity College | Colac | Biology | 40 |
| 19026 | Zanardo, Jarrod William | St Josephs College Geelong | Newtown | Systems Engineering | 41 |