| 18398 | Yim, Kym Tevi | John Monash Science School | Clayton | Environmental Science | 40 |
| 18399 | Yim, Ryan Samnang | Wellington Secondary College | Mulgrave | General Mathematics | 41 |
| 18400 | Yin, Chenxi Robert | Scotch College | Hawthorn | Art Making and Exhibiting | 44 |
| 18401 | Yin, Chenxi Robert | Scotch College | Hawthorn | English as an Additional Language | 44 |
| 18402 | Yin, Chonglan Christine | MacRobertson Girls High School | Melbourne | Mathematical Methods | 42 |
| 18403 | Yin, Chui Yan | Marian College Sunshine West | Sunshine West | Accounting | 40 |
| 18404 | Yin, Chui Yan | Marian College Sunshine West | Sunshine West | General Mathematics | 40 |
| 18405 | Yin, Chui Yan | Marian College Sunshine West | Sunshine West | Product Design and Technology | 40 |
| 18406 | Yin, Jiaheng | Haileybury College | Keysborough | Mathematical Methods | 40 |
| 18407 | Yin, Julai | Brighton Grammar School | Brighton | General Mathematics | 40 |
| |
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| 18408 | Yin, Lauren Wei-Tong | Huntingtower School | Mount Waverley | Business Management | 41 |
| 18409 | Yin, Xiong | Melbourne High School | South Yarra | Mathematical Methods | 43 |
| 18410 | Yin, Xiong | Melbourne High School | South Yarra | English Language | 42 |
| 18411 | Yin, Yolanda | Glen Waverley Secondary College | Glen Waverley | Legal Studies | 43 |
| 18412 | Ying, Luxi Lucy | Camberwell Girls Grammar School | Canterbury | Art Creative Practice | 48 |
| 18413 | Ying, Luxi Lucy | Camberwell Girls Grammar School | Canterbury | Chemistry | 44 |
| 18414 | Ying, Luxi Lucy | Camberwell Girls Grammar School | Canterbury | Literature | 44 |
| 18415 | Ying, Luxi Lucy | Camberwell Girls Grammar School | Canterbury | Biology | 42 |
| 18416 | Yiolitis, Zachary James | Brunswick Secondary College | Brunswick | Drama | 40 |
| 18417 | Yip, Chun Shing | Caulfield Grammar School Caulfield | St Kilda East | Mathematical Methods | 40 |
| 18418 | Yip, Chun Shing | Caulfield Grammar School Caulfield | St Kilda East | Specialist Mathematics | 40 |
| 18419 | Yip, Elsie | MacRobertson Girls High School | Melbourne | English Language | 49 |
| 18420 | Yip, Elsie | MacRobertson Girls High School | Melbourne | Mathematical Methods | 44 |
| 18421 | Yip, Elsie | MacRobertson Girls High School | Melbourne | Specialist Mathematics | 41 |
| 18422 | Yip, Elsie | MacRobertson Girls High School | Melbourne | Chemistry | 40 |
| 18423 | Yip, Ming Hin | Scotch College | Hawthorn | English | 45 |
| 18424 | Yiu, Chloe Chi-Wei | Melbourne Girls Grammar | South Yarra | General Mathematics | 42 |
| 18425 | Yiu, Lok Yin Jethro | Xavier College | Kew | English | 42 |
| 18426 | Yogaraja, Yathvin | Glen Waverley Secondary College | Glen Waverley | General Mathematics | 42 |
| 18427 | Yogaraja, Yathvin | Glen Waverley Secondary College | Glen Waverley | English | 40 |
| 18428 | Yogathas, Harisan Hariharasuthan | Haileybury College | Keysborough | English | 43 |
| 18429 | Yogathas, Harisan Hariharasuthan | Haileybury College | Keysborough | Sociology | 41 |
| 18430 | Yogathas, Harisan Hariharasuthan | Haileybury College | Keysborough | General Mathematics | 40 |
| 18431 | Yohannes, Drew Daveland | Caulfield Grammar School Caulfield | St Kilda East | Mathematical Methods | 41 |
| 18432 | Yol, Astra Warren Mana | Victoria University Secondary College Cairnlea Campus | St Albans | English | 42 |
| 18433 | Yol, Astra Warren Mana | Victoria University Secondary College Cairnlea Campus | St Albans | Literature | 42 |
| 18434 | Yole, Domini | Star of the Sea College | Brighton | Legal Studies | 40 |
| 18435 | Yong, Alanna Wan Rou | Vermont Secondary College | Vermont | Biology | 41 |
| 18436 | Yong, Jody Lin Yen | MacRobertson Girls High School | Melbourne | Physics | 44 |
| 18437 | Yoon, Daria | MacRobertson Girls High School | Melbourne | Psychology | 47 |
| 18438 | Yoon, Daria | MacRobertson Girls High School | Melbourne | Economics | 46 |
| 18439 | Yoon, Daria | MacRobertson Girls High School | Melbourne | Chemistry | 43 |
| 18440 | Yoon, Daria | MacRobertson Girls High School | Melbourne | Literature | 43 |
| 18441 | Yorston, Darcy Ella Rose | Bright P-12 College | Bright | Health and Human Development | 44 |
| 18442 | Yoshawirja, Samuel Keith | Salesian College Chadstone | Chadstone | English | 43 |
| 18443 | Yoshikawa, Chika | Huntingtower School | Mount Waverley | English | 40 |
| 18444 | Yoshikawa, Chika | Huntingtower School | Mount Waverley | General Mathematics | 40 |
| 18445 | Yoshikawa, Chika | Huntingtower School | Mount Waverley | Theatre Studies | 40 |
| 18446 | You, Thomas Joshua | Parkdale Secondary College | Mordialloc | Physical Education | 44 |
| 18447 | Younes, Olivia Mary | Star of the Sea College | Brighton | English | 41 |