| 20029 | Yuen, Hing Wai | Balwyn High School | Balwyn North | Mathematical Methods | 40 |
| 20030 | Yuen, Isabelle Rachel Wai-Guan | Haileybury Girls College | Keysborough | English | 45 |
| 20031 | Yuen, Lydia Shun-Ka | Waverley Christian College Wantirna South | Wantirna South | General Mathematics | 41 |
| 20032 | Yuen, Lydia Shun-Ka | Waverley Christian College Wantirna South | Wantirna South | Health and Human Development | 40 |
| 20033 | Yuen, Sunny Chisun | Haileybury College | Keysborough | English | 50 |
| 20034 | Yuen, Sunny Chisun | Haileybury College | Keysborough | General Mathematics | 43 |
| 20035 | Yuen-Williamson, Henry Louis | Melbourne Grammar School | Melbourne | Legal Studies | 40 |
| 20036 | Yuille, Billie Nattaya Leong | Presbyterian Ladies College | Burwood | Legal Studies | 43 |
| 20037 | Yushau Ali, Yusuf Yushau | Minaret College Officer | Officer | General Mathematics | 46 |
| 20038 | Yusuf, Ali Asadh | Caulfield Grammar School Wheelers Hill | Wheelers Hill | General Mathematics | 43 |
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| 20039 | Yuwono, Charissa Magnolia | Glen Waverley Secondary College | Glen Waverley | Health and Human Development | 43 |
| 20040 | Zacharopoulos, Sara | Haileybury Girls College | Keysborough | English | 42 |
| 20041 | Zafina, Seona | John Monash Science School | Clayton | English | 40 |
| 20042 | Zahedi, Soheila | Nossal High School | Berwick | Health and Human Development | 50 |
| 20043 | Zahid, Fatima | Darul Ulum College of Victoria | Fawkner | General Mathematics | 40 |
| 20044 | Zahra, Ummatura | Nossal High School | Berwick | English | 41 |
| 20045 | Zaldivia, Lachlan Jude | Thomas Carr College | Tarneit | Business Management | 41 |
| 20046 | Zalevski, Alex Hamish | St Josephs College Geelong | Newtown | Systems Engineering | 41 |
| 20047 | Zalunardo, Miranda Burgundy | Newhaven College | Rhyll | English | 40 |
| 20048 | Zaman, Arsham | Haileybury College | Keysborough | Mathematical Methods | 40 |
| 20049 | Zaman, Yusra Armin | John Monash Science School | Clayton | English | 40 |
| 20050 | Zaman, Yusra Armin | John Monash Science School | Clayton | Psychology | 40 |
| 20051 | Zamani, Archia | Scotch College | Hawthorn | Mathematical Methods | 43 |
| 20052 | Zamani, Leila | Our Lady of Sacred Heart College | Bentleigh | Biology | 46 |
| 20053 | Zambelli, Ryan William | Glen Waverley Secondary College | Glen Waverley | General Mathematics | 43 |
| 20054 | Zammit, Annabel Helena | Emmaus College | Vermont South | Physical Education | 49 |
| 20055 | Zammit, Annabel Helena | Emmaus College | Vermont South | Health and Human Development | 46 |
| 20056 | Zammit, Annabel Helena | Emmaus College | Vermont South | English | 40 |
| 20057 | Zamora Thornton, Lulu Roslyn | Albert Park College | Albert Park | Media | 41 |
| 20058 | Zamora Thornton, Lulu Roslyn | Albert Park College | Albert Park | English | 40 |
| 20059 | Zamora Thornton, Lulu Roslyn | Albert Park College | Albert Park | Sociology | 40 |
| 20060 | Zampella, Damiano Massimo | Koonung Secondary College | Mont Albert North | General Mathematics | 40 |
| 20061 | Zang, Annie Bohan | Sacre Coeur | Glen Iris | English | 43 |
| 20062 | Zaparas, Julia Madeleine | Ruyton Girls School | Kew | Literature | 48 |
| 20063 | Zaparas, Julia Madeleine | Ruyton Girls School | Kew | English | 47 |
| 20064 | Zaparas, Julia Madeleine | Trinity Grammar School | Kew | History: Revolutions | 47 |
| 20065 | Zappia, Giorgia Jo | St Josephs College Mildura | Mildura | Legal Studies | 40 |
| 20066 | Zappulla, Justin Lee | Box Hill High School | Box Hill | Mathematical Methods | 41 |
| 20067 | Zapris, Jonathan Peter | Melbourne Grammar School | Melbourne | Classical Studies | 41 |
| 20068 | Zare, Sepehr | Victorian School of Languages | Thornbury | Languages: Persian | 40 |
| 20069 | Zarezardini, Sarina | Victorian School of Languages | Thornbury | Languages: Persian | 41 |
| 20070 | Zavitsanos, Ava | Loyola College | Watsonia | English | 40 |
| 20071 | Zaya, Joseph | St Marys Coptic Orthodox College | Coolaroo | English | 42 |
| 20072 | Zaya, Nina | Hume Anglican Grammar | Mickleham | Business Management | 48 |
| 20073 | Zaya, Nina | Hume Anglican Grammar | Mickleham | General Mathematics | 40 |
| 20074 | Zdraveski, Rivi | Williamstown High School | Williamstown | Literature | 46 |
| 20075 | Zdraveski, Rivi | Williamstown High School | Williamstown | Languages: French | 41 |
| 20076 | Zeimer, Jacob | Yeshivah College | St Kilda East | English | 43 |
| 20077 | Zelada, Cesar Antonio | Mazenod College | Mulgrave | Mathematical Methods | 40 |
| 20078 | Zeng, Amy | Ruyton Girls School | Kew | Business Management | 44 |