| 19771 | Yang, Wanlin | Caulfield Grammar School Caulfield | St Kilda East | English | 43 |
| 19772 | Yang, Wanlin | Caulfield Grammar School Caulfield | St Kilda East | Psychology | 41 |
| 19773 | Yang, Xinyi | Presbyterian Ladies College | Burwood | Languages: Chinese Second Language | 42 |
| 19774 | Yang, Yachen | Genazzano F.C.J. College | Kew | Biology | 45 |
| 19775 | Yang, Yichen | Trinity Grammar School | Kew | English | 49 |
| 19776 | Yang, Yichen | Trinity Grammar School | Kew | Specialist Mathematics | 44 |
| 19777 | Yang, Yichen | Trinity Grammar School | Kew | Languages: Latin | 43 |
| 19778 | Yang, Yuna | Presbyterian Ladies College | Burwood | Biology | 42 |
| 19779 | Yang, Zhilin | Melbourne High School | South Yarra | Accounting | 42 |
| 19780 | Yang, Zimo | Suzanne Cory High School | Werribee | Psychology | 46 |
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| 19781 | Yang, Zimo | Suzanne Cory High School | Werribee | Art Making and Exhibiting | 40 |
| 19782 | Yang, Zimo | Suzanne Cory High School | Werribee | Chemistry | 40 |
| 19783 | Yang, Ziyi | Chinese Culture School Northcote Campus | Northcote | Languages: Chinese First Language | 43 |
| 19784 | Yang, Zoe Ningziyi | Loreto Mandeville Hall | Toorak | Health and Human Development | 50 |
| 19785 | Yannopoulos, Crystal | Firbank Grammar School | Brighton | Legal Studies | 41 |
| 19786 | Yao, Erjianxiao | Camberwell Girls Grammar School | Canterbury | Biology | 45 |
| 19787 | Yao, Erjianxiao | Camberwell Girls Grammar School | Canterbury | English Language | 43 |
| 19788 | Yao, Jiahang | Xavier College | Kew | English | 50 |
| 19789 | Yao, Jiahang | Xavier College | Kew | Chemistry | 43 |
| 19790 | Yao, Jiahang | Xavier College | Kew | Specialist Mathematics | 42 |
| 19791 | Yao, Leanna | Mill Park Secondary College | Epping | Mathematical Methods | 41 |
| 19792 | Yao, Leanna | Mill Park Secondary College | Epping | English | 40 |
| 19793 | Yao, Xintong | Korowa Anglican Girls School | Glen Iris | Mathematical Methods | 43 |
| 19794 | Yao, Yiyang | Auburn High School | Hawthorn East | Mathematical Methods | 49 |
| 19795 | Yao, Yiyang | Auburn High School | Hawthorn East | Physics | 49 |
| 19796 | Yao, Yiyang | Auburn High School | Hawthorn East | Specialist Mathematics | 44 |
| 19797 | Yao, Yiyang | Auburn High School | Hawthorn East | English as an Additional Language | 41 |
| 19798 | Yap, Aerin Yen-Yi | Caulfield Grammar School Wheelers Hill | Wheelers Hill | Accounting | 50 |
| 19799 | Yap, Aerin Yen-Yi | Caulfield Grammar School Wheelers Hill | Wheelers Hill | Psychology | 44 |
| 19800 | Yap, Jonah Woon Sen | Nossal High School | Berwick | Mathematical Methods | 40 |
| 19801 | Yap, Matthew Nathan | Melbourne High School | South Yarra | English Language | 40 |
| 19802 | Yap, Oliver Kwan Yew | Melbourne High School | South Yarra | Physical Education | 46 |
| 19803 | Yap, Oliver Kwan Yew | Melbourne High School | South Yarra | English | 44 |
| 19804 | Yap, Oliver Kwan Yew | Melbourne High School | South Yarra | Chemistry | 42 |
| 19805 | Yap, Oliver Kwan Yew | Melbourne High School | South Yarra | Mathematical Methods | 42 |
| 19806 | Yap, Oliver Kwan Yew | Melbourne High School | South Yarra | Psychology | 41 |
| 19807 | Yap, Serena Siew-Hui | Methodist Ladies College | Kew | Biology | 45 |
| 19808 | Yapa, Don Thimath Ranyuru | Goulburn Valley Grammar School | Shepparton | Mathematical Methods | 41 |
| 19809 | Yarlett, Talulah Dulcie | St Andrews Christian College | Wantirna South | General Mathematics | 44 |
| 19810 | Yarmahmoudi, Alireza | East Doncaster Secondary College | Doncaster East | General Mathematics | 44 |
| 19811 | Yarra, Violet Eloise | Swinburne Senior Secondary College | Hawthorn | Sociology | 45 |
| 19812 | Yarra, Violet Eloise | Swinburne Senior Secondary College | Hawthorn | History: Revolutions | 44 |
| 19813 | Yarra, Violet Eloise | Swinburne Senior Secondary College | Hawthorn | English | 41 |
| 19814 | Yarra, Violet Eloise | Swinburne Senior Secondary College | Hawthorn | General Mathematics | 41 |
| 19815 | Yarrow, Timothy Ryan | Billanook College | Mooroolbark | Art Making and Exhibiting | 43 |
| 19816 | Yarrow, Timothy Ryan | Billanook College | Mooroolbark | History: Revolutions | 43 |
| 19817 | Yarrow, Timothy Ryan | Billanook College | Mooroolbark | Philosophy | 42 |
| 19818 | Yarrow, Timothy Ryan | Billanook College | Mooroolbark | English | 41 |
| 19819 | Yarrow, Timothy Ryan | Billanook College | Mooroolbark | General Mathematics | 41 |
| 19820 | Yasab, Hemen | Penleigh and Essendon Grammar School | Keilor East | Chemistry | 45 |