| 18601 | Xu, Samantha Si Hui | Kilbreda College | Mentone | English Language | 43 |
| 18602 | Xu, Sijia | Haileybury College Tianjin Campus | Tianjin, China | Physics | 41 |
| 18603 | Xu, Sophie | Kilvington Grammar School | Ormond | Mathematical Methods | 42 |
| 18604 | Xu, Xinyu | Xin Jin Shan Chinese Language and Culture School | Mount Waverley | Languages: Chinese Second Language | 48 |
| 18605 | Xu, Xinyu | Fintona Girls School | Balwyn | Mathematical Methods | 45 |
| 18606 | Xu, Ye | Balwyn High School | Balwyn North | English as an Additional Language | 45 |
| 18607 | Xu, Ye | Balwyn High School | Balwyn North | Chemistry | 43 |
| 18608 | Xu, Ye | Balwyn High School | Balwyn North | Mathematical Methods | 42 |
| 18609 | Xu, Yi | Ivanhoe Grammar School Ridgeway | Ivanhoe | Software Development | 46 |
| 18610 | Xu, Yi | Ivanhoe Grammar School Ridgeway | Ivanhoe | English | 42 |
| 18611 | Xu, Yi | Ivanhoe Grammar School Ridgeway | Ivanhoe | Mathematical Methods | 40 |
| 18612 | Xu, Yi | Ivanhoe Grammar School Ridgeway | Ivanhoe | Physics | 40 |
| 18613 | Xu, Yihong | Korowa Anglican Girls School | Glen Iris | Mathematical Methods | 48 |
| 18614 | Xu, Yinzhi | Mentone Girls Grammar School | Mentone | Languages: Chinese First Language | 40 |
| 18615 | Xu, Yixing | MacRobertson Girls High School | Melbourne | Further Mathematics | 41 |
| 18616 | Xu, Yiyou Fred | Balwyn High School | Balwyn North | Further Mathematics | 46 |
| 18617 | Xu, Yuan | Haileybury College Tianjin Campus | Tianjin, China | Physics | 47 |
| 18618 | Xu, Yuan | Haileybury College Tianjin Campus | Tianjin, China | Mathematical Methods | 46 |
| 18619 | Xu, Yuan | Haileybury College Tianjin Campus | Tianjin, China | Chemistry | 42 |
| 18620 | Xu, Yuan | Haileybury College Tianjin Campus | Tianjin, China | Specialist Mathematics | 41 |
| 18621 | Xu, Zhitian | Toorak College | Mount Eliza | Further Mathematics | 48 |
| 18622 | Xu, Zhitian | Toorak College | Mount Eliza | Visual Communication Design | 48 |
| 18623 | Xu, Zhitian | Toorak College | Mount Eliza | Art | 40 |
| 18624 | Xu, Zimo | Camberwell Girls Grammar School | Canterbury | Languages: Chinese Second Language | 48 |
| 18625 | Xue, Qiangyun | MacRobertson Girls High School | Melbourne | Biology | 40 |
| 18626 | Xue, Qiangyun | MacRobertson Girls High School | Melbourne | Mathematical Methods | 40 |
| 18627 | Xue, Xiaojun | Mentone Grammar School | Mentone | Specialist Mathematics | 43 |
| 18628 | Xue, Xiaojun | Mentone Grammar School | Mentone | English as an Additional Language | 41 |
| 18629 | Xue, Xiaojun | Mentone Grammar School | Mentone | Physics | 41 |
| 18630 | Xue, Xiaojun | Mentone Grammar School | Mentone | Chemistry | 40 |
| 18631 | Xue, Xiaomin | Mentone Grammar School | Mentone | Specialist Mathematics | 42 |
| 18632 | Xue, Xiaomin | Mentone Grammar School | Mentone | Physics | 40 |
| 18633 | Xylogiannis, Katerina Deanna | Greek Orthodox Community of Melbourne and Victoria | Melbourne | Languages: Greek | 41 |
| 18634 | Xynos, George | Caulfield Grammar School Caulfield | St Kilda East | History: Revolutions | 44 |
| 18635 | Xynos, George | Caulfield Grammar School Caulfield | St Kilda East | English Language | 43 |
| 18636 | Xynos, George | Caulfield Grammar School Caulfield | St Kilda East | Physics | 40 |
| 18637 | Yadav, Aditya | Victorian School of Languages | Thornbury | Languages: Hindi | 42 |
| 18638 | Yadavalli, Sriprada | Glen Waverley Secondary College | Glen Waverley | English | 41 |
| 18639 | Yako, Andre | Catholic Regional College Sydenham | Sydenham | Further Mathematics | 40 |
| 18640 | Yakubowski, Max Murray | Trinity Grammar School | Kew | Further Mathematics | 41 |
| 18641 | Yalda, Sandra | Mercy College | Coburg | Health and Human Development | 43 |
| 18642 | Yamada Nguyen, Ryu Leon | University High School | Parkville | Product Design and Technology | 41 |
| 18643 | Yan, Danny | Glen Waverley Secondary College | Glen Waverley | Mathematical Methods | 44 |
| 18644 | Yan, Hao | Cheltenham Secondary College | Cheltenham | Further Mathematics | 41 |
| 18645 | Yan, Ilayda Aleyna | Haileybury Girls College | Keysborough | Business Management | 49 |
| 18646 | Yan, Ilayda Aleyna | Haileybury Girls College | Keysborough | Economics | 46 |
| 18647 | Yan, Ilayda Aleyna | Haileybury Girls College | Keysborough | English | 43 |
| 18648 | Yan, Ilayda Aleyna | Haileybury Girls College | Keysborough | Further Mathematics | 41 |
| 18649 | Yan, Jiarui | Camberwell High School | Canterbury | Biology | 41 |
| 18650 | Yan, Jin | University High School | Parkville | Psychology | 40 |