| 18901 | Yuan, Clark Xiaodi | Melbourne High School | South Yarra | Languages: Japanese Second Language | 44 |
| 18902 | Yuan, Clark Xiaodi | Melbourne High School | South Yarra | Mathematical Methods | 40 |
| 18903 | Yuan, Junhao | Eltham College of Education | Research | Physics | 44 |
| 18904 | Yuan, Junhao | Eltham College of Education | Research | Mathematical Methods | 42 |
| 18905 | Yuan, Junhao | Eltham College of Education | Research | Specialist Mathematics | 40 |
| 18906 | Yuan, Kexin | Victorian College of the Arts Secondary School | Southbank | Studio Arts | 45 |
| 18907 | Yuan, Ruiyang Ryan | Yarra Valley Grammar School | Ringwood | Mathematical Methods | 44 |
| 18908 | Yuan, Yana | Loreto College | Ballarat | Mathematical Methods | 41 |
| 18909 | Yuan, Yana | Loreto College | Ballarat | Chemistry | 40 |
| 18910 | Yuan, Yana | Loreto College | Ballarat | English Language | 40 |
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| 18911 | Yuan, Ye | Haileybury College | Keysborough | Languages: Chinese Second Language Advanced | 40 |
| 18912 | Yuan, Yuqi | Brighton Secondary College | Brighton East | Outdoor and Environmental Studies | 40 |
| 18913 | Yuan, Zhuocheng | Waverley Christian College Wantirna South | Wantirna South | Mathematical Methods | 47 |
| 18914 | Yuan, Zhuocheng | Waverley Christian College Wantirna South | Wantirna South | Specialist Mathematics | 46 |
| 18915 | Yuan, Zhuocheng | Waverley Christian College Wantirna South | Wantirna South | Physics | 42 |
| 18916 | Yuan, Zhuocheng | Waverley Christian College Wantirna South | Wantirna South | English as an Additional Language | 40 |
| 18917 | Yuan, Zi | Peninsula Grammar Pudong Foreign Language School | Shanghai, China | Further Mathematics | 46 |
| 18918 | Yuen, Hei Yu | Kardinia International College | Bell Post Hill | Further Mathematics | 42 |
| 18919 | Yum, Sayuka Renee | Victorian School of Languages | Thornbury | Languages: Japanese Second Language | 40 |
| 18920 | Yun, Dohun | Auburn High School | Hawthorn East | Mathematical Methods | 47 |
| 18921 | Yun, Dohun | Auburn High School | Hawthorn East | English as an Additional Language | 45 |
| 18922 | Yun, Dohun | Auburn High School | Hawthorn East | Specialist Mathematics | 42 |
| 18923 | Yun, Dohun | Auburn High School | Hawthorn East | Physics | 41 |
| 18924 | Yun, Dohun | Auburn High School | Hawthorn East | Psychology | 40 |
| 18925 | Yun, Mary Marly | Nossal High School | Berwick | Biology | 44 |
| 18926 | Yun, Mary Marly | Nossal High School | Berwick | Accounting | 43 |
| 18927 | Yuok, Emma | Wellington Secondary College | Mulgrave | Chemistry | 44 |
| 18928 | Yuri, Takumi | Keilor Downs College | Keilor Downs | Languages: Japanese Second Language | 41 |
| 18929 | Yusuf, Hamdi Ruweyda | Al Siraat College | Epping | Psychology | 41 |
| 18930 | Yuvaraj, Joanne Asha | Brentwood Secondary College | Glen Waverley | Literature | 49 |
| 18931 | Yuvaraj, Joanne Asha | Brentwood Secondary College | Glen Waverley | English | 47 |
| 18932 | Yuvaraj, Joanne Asha | Brentwood Secondary College | Glen Waverley | Psychology | 46 |
| 18933 | Yuvaraj, Joanne Asha | Brentwood Secondary College | Glen Waverley | Chemistry | 41 |
| 18934 | Zachariah, Jaden Daniel | Haileybury College | Keysborough | Sociology | 44 |
| 18935 | Zachariah, Jaden Daniel | Haileybury College | Keysborough | Psychology | 42 |
| 18936 | Zafar, Eemaan | St Margarets Berwick Grammar Berwick Campus | Berwick | English | 40 |
| 18937 | Zaffina, Kiara | Gladstone Park Secondary College | Gladstone Park | English | 43 |
| 18938 | Zaffina, Kiara | Gladstone Park Secondary College | Gladstone Park | Languages: Italian | 40 |
| 18939 | Zafiropoulos, Renee | Loreto Mandeville Hall | Toorak | Business Management | 42 |
| 18940 | Zafiropoulos, Renee | Loreto Mandeville Hall | Toorak | Studio Arts | 41 |
| 18941 | Zahra, Audrey Clare | Williamstown High School | Williamstown | Further Mathematics | 43 |
| 18942 | Zahra, Audrey Clare | Williamstown High School | Williamstown | Psychology | 42 |
| 18943 | Zahra, Jackson Paul | Emmanuel College Melbourne | Altona North | Business Management | 43 |
| 18944 | Zahra, Jackson Paul | Emmanuel College Melbourne | Altona North | Biology | 42 |
| 18945 | Zahra, Jackson Paul | Emmanuel College Melbourne | Altona North | English | 41 |
| 18946 | Zahra, James Liam | Assumption College | Kilmore | Biology | 43 |
| 18947 | Zahra, Sienna Isabella | Penleigh and Essendon Grammar School | Keilor East | Legal Studies | 41 |
| 18948 | Zahran, Yusuf Mohammed Bakr | Suzanne Cory High School | Werribee | Chemistry | 42 |
| 18949 | Zahran, Yusuf Mohammed Bakr | Suzanne Cory High School | Werribee | Mathematical Methods | 42 |
| 18950 | Zahran, Yusuf Mohammed Bakr | Suzanne Cory High School | Werribee | English | 40 |