| 19879 | Yeung, King Jun | Emmaus College | Vermont South | General Mathematics | 42 |
| 19880 | Yeung, King Jun | Emmaus College | Vermont South | English as an Additional Language | 41 |
| 19881 | Yeung, King Jun | Emmaus College | Vermont South | Music Contemporary Performance | 41 |
| 19882 | Yeung, Rodney | East Doncaster Secondary College | Doncaster East | General Mathematics | 43 |
| 19883 | Yeung, Yat | Yarra Valley Grammar School | Ringwood | English as an Additional Language | 48 |
| 19884 | Yeung, Yat | Yarra Valley Grammar School | Ringwood | Visual Communication Design | 47 |
| 19885 | Yeung, Yat | Yarra Valley Grammar School | Ringwood | Biology | 42 |
| 19886 | Yeung, Yat | Yarra Valley Grammar School | Ringwood | Chemistry | 42 |
| 19887 | Yeung, Yat | Yarra Valley Grammar School | Ringwood | Mathematical Methods | 42 |
| 19888 | Yeung, Ying Cady | East Doncaster Secondary College | Doncaster East | Biology | 47 |
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| 19889 | Yeung, Ying Cady | East Doncaster Secondary College | Doncaster East | General Mathematics | 41 |
| 19890 | Yeuong, Claire Annabelle | Korowa Anglican Girls School | Glen Iris | Business Management | 41 |
| 19891 | Yew, Tiffany | Balwyn High School | Balwyn North | English | 41 |
| 19892 | Yiangoulli, Anastasia | Keilor Downs College | Keilor Downs | Psychology | 43 |
| 19893 | Yiangoulli, Anastasia | Keilor Downs College | Keilor Downs | Health and Human Development | 40 |
| 19894 | Yiannoudes, Natalie Eve | Our Lady of Sion College | Box Hill | General Mathematics | 42 |
| 19895 | Yin, Edison | Yarra Valley Grammar School | Ringwood | Mathematical Methods | 43 |
| 19896 | Yin, Mingchen | McKinnon Secondary College | McKinnon | Mathematical Methods | 41 |
| 19897 | Yin, Yue | Camberwell Girls Grammar School | Canterbury | Mathematical Methods | 43 |
| 19898 | Yin, Yue | Camberwell Girls Grammar School | Canterbury | Biology | 40 |
| 19899 | Yin, Ziyi | St Leonards College | Brighton East | English as an Additional Language | 41 |
| 19900 | Ying, Ruoshui | Viewbank College | Viewbank | General Mathematics | 41 |
| 19901 | Ying, Ruoshui | Viewbank College | Viewbank | Mathematical Methods | 41 |
| 19902 | Yip, Christian Zachary | Melbourne High School | South Yarra | Biology | 45 |
| 19903 | Yip, Christian Zachary | Melbourne High School | South Yarra | English | 44 |
| 19904 | Yip, Christian Zachary | Melbourne High School | South Yarra | Mathematical Methods | 44 |
| 19905 | Yip, Hoi Yin | Doncaster Secondary College | Doncaster | Psychology | 41 |
| 19906 | Yip, Lucas James | Camberwell Grammar School | Canterbury | General Mathematics | 42 |
| 19907 | Yip, Pui Hin Marcus | Glen Waverley Secondary College | Glen Waverley | Systems Engineering | 40 |
| 19908 | Yip, Wan Ching Eleanor | Loreto Mandeville Hall | Toorak | Health and Human Development | 48 |
| 19909 | Yip, Wan Ching Eleanor | Loreto Mandeville Hall | Toorak | English | 42 |
| 19910 | Yip, Wan Ching Eleanor | Loreto Mandeville Hall | Toorak | General Mathematics | 41 |
| 19911 | Yiu, Lok Hei Nigel | Yarra Valley Grammar School | Ringwood | General Mathematics | 41 |
| 19912 | Yogesh Kumar, Arya | Tintern Grammar | Ringwood East | English | 42 |
| 19913 | Yole, Lucis Gabriel | St Kevins College | Toorak | Religion and Society | 49 |
| 19914 | Yole, Lucis Gabriel | St Kevins College | Toorak | English | 45 |
| 19915 | Yole, Lucis Gabriel | St Kevins College | Toorak | Ancient History | 41 |
| 19916 | Yong, Allyce Ee En | Box Hill High School | Box Hill | General Mathematics | 41 |
| 19917 | Yong, Allyce Ee En | Box Hill High School | Box Hill | Visual Communication Design | 40 |
| 19918 | Yong, Imogen Yee-Ming | Haileybury Girls College | Keysborough | English | 49 |
| 19919 | Yong, Imogen Yee-Ming | Haileybury Girls College | Keysborough | Politics | 48 |
| 19920 | Yong, Jiaqi | Ashwood High School | Ashwood | General Mathematics | 42 |
| 19921 | Yong, Jiaqi | Ashwood High School | Ashwood | English | 41 |
| 19922 | Yong, Nexus Trinity G Nim | Our Lady of Sion College | Box Hill | History: Revolutions | 41 |
| 19923 | Yong, Yue Ning | Balwyn High School | Balwyn North | Art Creative Practice | 44 |
| 19924 | Yong, Yue Ning | Balwyn High School | Balwyn North | Biology | 42 |
| 19925 | Yong, Yue Ning | Balwyn High School | Balwyn North | Literature | 42 |
| 19926 | Yong, Yue Ning | Balwyn High School | Balwyn North | Chemistry | 41 |
| 19927 | Yoseph, Aminadab | Suzanne Cory High School | Werribee | Mathematical Methods | 46 |
| 19928 | Yoseph, Aminadab | Suzanne Cory High School | Werribee | English | 43 |