| 18856 | Yiannoudes, Tia | Presbyterian Ladies College | Burwood | Accounting | 41 |
| 18857 | Yiannoudes, Tia | Presbyterian Ladies College | Burwood | Legal Studies | 40 |
| 18858 | Yildiz, Lara Aleyna | St Columbas College | Essendon | Health and Human Development | 42 |
| 18859 | Yildiz, Seren | Buckley Park College | Essendon | Health and Human Development | 44 |
| 18860 | Yildiz, Seren | Buckley Park College | Essendon | Psychology | 43 |
| 18861 | Yildiz, Seren | Buckley Park College | Essendon | Legal Studies | 42 |
| 18862 | Yilmaz, Jeyda | Roxburgh College | Roxburgh Park | Health and Human Development | 43 |
| 18863 | Yin, Aaron Ming Jun | Haileybury College | Keysborough | English | 41 |
| 18864 | Yin, Colin Wei Ern | Vermont Secondary College | Vermont | Geography | 41 |
| 18865 | Yin, Huiyuan | Mentone Grammar School | Mentone | Further Mathematics | 42 |
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| 18866 | Yin, Jenny | Keysborough Secondary College Acacia | Keysborough | Further Mathematics | 46 |
| 18867 | Yin, Jenny | Keysborough Secondary College Acacia | Keysborough | Mathematical Methods | 41 |
| 18868 | Yin, Jessie | Huntingtower School | Mount Waverley | Studio Arts | 45 |
| 18869 | Yin, Jessie | Huntingtower School | Mount Waverley | English | 42 |
| 18870 | Yin, Mengze | Scotch College | Hawthorn | Mathematical Methods | 45 |
| 18871 | Yin, Mengze | Scotch College | Hawthorn | Languages: Chinese Second Language Advanced | 40 |
| 18872 | Yin, Qianqian | Firbank Grammar School Jiangyan No 2 High School | Taizhou, China | Further Mathematics | 44 |
| 18873 | Yin, Qianqian | Firbank Grammar School Jiangyan No 2 High School | Taizhou, China | English as an Additional Language | 41 |
| 18874 | Yin, Qianqian | Firbank Grammar School Jiangyan No 2 High School | Taizhou, China | Languages: Chinese First Language | 40 |
| 18875 | Yin, Stephanie | Korowa Anglican Girls School | Glen Iris | Business Management | 41 |
| 18876 | Yip, Grace | Caulfield Grammar School Wheelers Hill | Wheelers Hill | Music Performance | 41 |
| 18877 | Ylagan, Mia Lara | Canterbury Girls Secondary College | Canterbury | English | 42 |
| 18878 | Yodha, Palak | South Oakleigh College | Oakleigh South | English as an Additional Language | 42 |
| 18879 | Yogaraja, Yathiksha | Nossal High School | Berwick | Biology | 44 |
| 18880 | Yohanan Glasman, Itay | Bialik College | Hawthorn | Languages: Hebrew | 43 |
| 18881 | Yohanes, Lourdez Maclean | John Monash Science School | Clayton | Chemistry | 50 |
| 18882 | Yohanes, Lourdez Maclean | John Monash Science School | Clayton | Biology | 45 |
| 18883 | Yohanes, Lourdez Maclean | John Monash Science School | Clayton | English | 43 |
| 18884 | Yohanes, Lourdez Maclean | John Monash Science School | Clayton | Mathematical Methods | 41 |
| 18885 | Yong, Anthony Ju Wei | Mazenod College | Mulgrave | Further Mathematics | 50 |
| 18886 | Yong, Anthony Ju Wei | Mazenod College | Mulgrave | Religion and Society | 40 |
| 18887 | Yong, Germaine Faustina | Cranbourne East Secondary College | Cranbourne East | Business Management | 42 |
| 18888 | Yong, Germaine Faustina | Cranbourne East Secondary College | Cranbourne East | English | 41 |
| 18889 | Yong, Germaine Faustina | Cranbourne East Secondary College | Cranbourne East | Health and Human Development | 41 |
| 18890 | Yong, Jin Liang | Vermont Secondary College | Vermont | Biology | 43 |
| 18891 | Yong, Sarah Shi Ya | Box Hill High School | Box Hill | English Language | 40 |
| 18892 | Yong, Sarah Shi Ya | Box Hill High School | Box Hill | Health and Human Development | 40 |
| 18893 | Yong, Thomas | Mazenod College | Mulgrave | English | 46 |
| 18894 | Yong, Thomas | Mazenod College | Mulgrave | Biology | 42 |
| 18895 | Yoon, Ji Woo | Victorian College of the Arts Secondary School | Southbank | Music Investigation | 50 |
| 18896 | Yoong, Jasmine Ruby-Reeves | Hazel Glen College | Doreen | Psychology | 41 |
| 18897 | York, Eliza Frances | Goulburn Valley Grammar School | Shepparton | Legal Studies | 43 |
| 18898 | York, Eliza Frances | Goulburn Valley Grammar School | Shepparton | English | 41 |
| 18899 | York, Eliza Frances | Goulburn Valley Grammar School | Shepparton | Geography | 40 |
| 18900 | York, Eliza Frances | Goulburn Valley Grammar School | Shepparton | Languages: Indonesian Second Language | 40 |
| 18901 | Yoshida, Wakana | University High School | Parkville | Psychology | 45 |
| 18902 | Yoshida, Wakana | University High School | Parkville | Legal Studies | 43 |
| 18903 | Yoshida, Wakana | University High School | Parkville | Literature | 40 |
| 18904 | You, Alexander Wise | Melbourne High School | South Yarra | Chemistry | 43 |
| 18905 | You, Alexander Wise | Melbourne High School | South Yarra | Mathematical Methods | 42 |