| 951 | Yu, Jun | East Doncaster Secondary College | Doncaster East | Mathematical Methods | 41 |
| 952 | Yu, Seong Jin | Doncaster Secondary College | Doncaster | Mathematical Methods | 41 |
| 953 | Yu, Shi Hua | Box Hill High School | Box Hill | Mathematical Methods | 45 |
| 954 | Zammit, Michael | St Bernards College | Essendon | Mathematical Methods | 50 |
| 955 | Zaytseva, Olga | McKinnon Secondary College | McKinnon | Mathematical Methods | 45 |
| 956 | Zhai, Yiling | East Doncaster Secondary College | Doncaster East | Mathematical Methods | 42 |
| 957 | Zhang, James | Camberwell Grammar School | Canterbury | Mathematical Methods | 50 |
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| 958 | Zhang, Junxiao | Parkdale Secondary College | Mordialloc | Mathematical Methods | 45 |
| 959 | Zhang, Kaili | Camberwell Grammar School | Canterbury | Mathematical Methods | 49 |
| 960 | Zhang, Litian | Doncaster Secondary College | Doncaster | Mathematical Methods | 40 |
| 961 | Zhang, Meng Xiao | Melbourne Senior Secondary College | Melbourne | Mathematical Methods | 43 |
| 962 | Zhang, Nandao | Mill Park Secondary College | Epping | Mathematical Methods | 40 |
| 963 | Zhang, Richard | Balwyn High School | Balwyn North | Mathematical Methods | 40 |
| 964 | Zhang, Roger | Stawell Secondary College | Stawell | Mathematical Methods | 43 |
| 965 | Zhang, Shirou Sarah | Lowther Hall Anglican Grammar School | Essendon | Mathematical Methods | 42 |
| 966 | Zhang, Xian | Balwyn High School | Balwyn North | Mathematical Methods | 41 |
| 967 | Zhang, Xu | Mount Waverley Secondary College | Mount Waverley | Mathematical Methods | 43 |
| 968 | Zhang, Xuan | Peninsula Grammar | Mount Eliza | Mathematical Methods | 42 |
| 969 | Zhang, Yin | Taylors College | Melbourne | Mathematical Methods | 48 |
| 970 | Zhao, Fang | Balwyn High School | Balwyn North | Mathematical Methods | 42 |
| 971 | Zhao, Qing | Melbourne High School | South Yarra | Mathematical Methods | 41 |
| 972 | Zhao, Wanwen | Mount Waverley Secondary College | Mount Waverley | Mathematical Methods | 40 |
| 973 | Zhen, Kelly | East Doncaster Secondary College | Doncaster East | Mathematical Methods | 42 |
| 974 | Zheng, Jie | Springvale Secondary College | Springvale | Mathematical Methods | 43 |
| 975 | Zheng, Li | East Doncaster Secondary College | Doncaster East | Mathematical Methods | 43 |
| 976 | Zheng, Min | Springvale Secondary College | Springvale | Mathematical Methods | 44 |
| 977 | Zheng, Norman | Westbourne Grammar School | Truganina | Mathematical Methods | 44 |
| 978 | Zheng, William | Melbourne High School | South Yarra | Mathematical Methods | 49 |
| 979 | Zheng, Xuanxuan | Balwyn High School | Balwyn North | Mathematical Methods | 40 |
| 980 | Zhou, Jun Yong | Wesley College St Kilda Rd | Melbourne | Mathematical Methods | 40 |
| 981 | Zhu, Cathy | Stawell Secondary College | Stawell | Mathematical Methods | 43 |
| 982 | Zhu, Xiao Yun | Eltham College of Education | Research | Mathematical Methods | 42 |
| 983 | Zimmermann, Daniel | Wonthaggi Secondary College | Wonthaggi | Mathematical Methods | 43 |
| 984 | Zora, Rafe | Penola Catholic College | Broadmeadows | Mathematical Methods | 40 |
| 985 | Zygorodimos, Matthew | McKinnon Secondary College | McKinnon | Mathematical Methods | 49 |