| 19489 | Yesudas, Angel | Catholic Regional College Sydenham | Sydenham | Ancient History | 43 |
| 19490 | Yeung, King Jun | Emmaus College | Vermont South | Geography | 47 |
| 19491 | Yeung, Yat | Yarra Valley Grammar School | Ringwood | General Mathematics | 47 |
| 19492 | Yi, Hao | University High School | Parkville | General Mathematics | 40 |
| 19493 | Yi, Jason Jongwon | Glen Waverley Secondary College | Glen Waverley | Software Development | 41 |
| 19494 | Yii, Michelle Sii Hui | Our Lady of Sion College | Box Hill | Business Management | 43 |
| 19495 | Yim, Ryan Samnang | Wellington Secondary College | Mulgrave | Psychology | 43 |
| 19496 | Yin, Chonglan Christine | MacRobertson Girls High School | Melbourne | English Language | 42 |
| 19497 | Yin, Chonglan Christine | MacRobertson Girls High School | Melbourne | Specialist Mathematics | 41 |
| 19498 | Yin, Chonglan Christine | MacRobertson Girls High School | Melbourne | Chemistry | 40 |
| |
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| 19499 | Yin, Edison | Yarra Valley Grammar School | Ringwood | General Mathematics | 41 |
| 19500 | Yin, Englim | Wellington Secondary College | Mulgrave | Psychology | 50 |
| 19501 | Yin, Englim | Wellington Secondary College | Mulgrave | Chemistry | 42 |
| 19502 | Yin, Englim | Wellington Secondary College | Mulgrave | Mathematical Methods | 41 |
| 19503 | Yin, Englim | Wellington Secondary College | Mulgrave | English as an Additional Language | 40 |
| 19504 | Yin, Jiayi | Methodist Ladies College | Kew | Languages: Chinese Second Language | 50 |
| 19505 | Yin, Jiayi | Methodist Ladies College | Kew | Music Repertoire Performance | 44 |
| 19506 | Yin, Jonathan | East Doncaster Secondary College | Doncaster East | General Mathematics | 41 |
| 19507 | Yin, Viridiana Qianen | Keysborough Secondary College Acacia | Keysborough | General Mathematics | 40 |
| 19508 | Yin, Yingsha | Haileybury College Tianjin Campus | Tianjin, China | Languages: Chinese First Language | 47 |
| 19509 | Yiolitis, Zachary James | Brunswick Secondary College | Brunswick | Psychology | 45 |
| 19510 | Yiolitis, Zachary James | Brunswick Secondary College | Brunswick | English | 40 |
| 19511 | Yip, Albert Kaming | Melbourne High School | South Yarra | Physics | 41 |
| 19512 | Yip, Christian Zachary | Melbourne High School | South Yarra | Accounting | 43 |
| 19513 | Yip, Wan Ching Eleanor | Loreto Mandeville Hall | Toorak | Legal Studies | 46 |
| 19514 | Yiu, Chi Cheng | Balwyn High School | Balwyn North | English Language | 40 |
| 19515 | Yogesh Kumar, Arya | Tintern Grammar | Ringwood East | Business Management | 42 |
| 19516 | Yong, Allyce Ee En | Box Hill High School | Box Hill | Business Management | 40 |
| 19517 | Yong, Celine Kay Lynn | Glen Waverley Secondary College | Glen Waverley | English | 40 |
| 19518 | Yong, Imogen Yee-Ming | Haileybury Girls College | Keysborough | Mathematical Methods | 40 |
| 19519 | Yong, Jody Lin Yen | MacRobertson Girls High School | Melbourne | Chemistry | 42 |
| 19520 | Yong, Jody Lin Yen | MacRobertson Girls High School | Melbourne | English Language | 40 |
| 19521 | Yong, Madeleine Lauren | Camberwell Girls Grammar School | Canterbury | General Mathematics | 45 |
| 19522 | Yong, Yue Ning | Balwyn High School | Balwyn North | English | 47 |
| 19523 | Yong, Yue Ning | Balwyn High School | Balwyn North | Visual Communication Design | 44 |
| 19524 | Yoong, Aston | Mount Waverley Secondary College | Mount Waverley | Business Management | 41 |
| 19525 | Yoresh, Noam | Elisabeth Murdoch College | Langwarrin | Legal Studies | 43 |
| 19526 | York, Maisie Kate | Mount Eliza Secondary College | Mount Eliza | English | 40 |
| 19527 | Yorston, Darcy Ella Rose | Bright P-12 College | Bright | Languages: Aboriginal Languages of Victoria | 41 |
| 19528 | Yoseph, Aminadab | Suzanne Cory High School | Werribee | Media | 40 |
| 19529 | Yoshimura, Kye | Melbourne High School | South Yarra | Biology | 40 |
| 19530 | Yotoko, Marie Lourd Angeli | Thomas Carr College | Tarneit | Product Design and Technologies | 44 |
| 19531 | Yotoko, Marie Lourd Angeli | Thomas Carr College | Tarneit | Visual Communication Design | 41 |
| 19532 | You, Linton | Haileybury College | Keysborough | Accounting | 43 |
| 19533 | You, Thomas Joshua | Parkdale Secondary College | Mordialloc | English | 42 |
| 19534 | You, Una Wen Bo | St Andrews Christian College | Wantirna South | Art Creative Practice | 46 |
| 19535 | You, Una Wen Bo | St Andrews Christian College | Wantirna South | History: Revolutions | 44 |
| 19536 | You, Una Wen Bo | St Andrews Christian College | Wantirna South | English | 42 |
| 19537 | You, Zixi | Balwyn High School | Balwyn North | Music Contemporary Performance | 44 |
| 19538 | You, Zixi | Balwyn High School | Balwyn North | Software Development | 40 |