| 151 | Courmadias, Lachlan John | Camberwell Grammar School | Canterbury | Mathematical Methods | 40 |
| 152 | Craig, Bridie Katherine | St Margarets Berwick Grammar Berwick Campus | Berwick | Mathematical Methods | 42 |
| 153 | Craig, Liam James | Melbourne Grammar School | Melbourne | Mathematical Methods | 40 |
| 154 | Crane, Penelope Claire | Coburg Senior High School | Coburg | Mathematical Methods | 40 |
| 155 | Crawford, Hamish | Caulfield Grammar School Caulfield | St Kilda East | Mathematical Methods | 40 |
| 156 | Crawford-Boyce, Charles Peter | Templestowe College | Templestowe Lower | Mathematical Methods | 43 |
| 157 | Critchett, Rowan Daoxin | Northcote High School | Northcote | Mathematical Methods | 45 |
| 158 | Cross, Lachlan William | Camberwell Grammar School | Canterbury | Mathematical Methods | 42 |
| 159 | Crutchfield, Sophia Matilda | Geelong Grammar School | Corio | Mathematical Methods | 40 |
| 160 | Cruz, Daniel Christopher | St Kevins College | Toorak | Mathematical Methods | 40 |
| |
|||||
| 161 | Cui, Sean | Nossal High School | Berwick | Mathematical Methods | 43 |
| 162 | Dai, Elyse | Presbyterian Ladies College | Burwood | Mathematical Methods | 40 |
| 163 | Dang, Chris Long | Parade College | Bundoora | Mathematical Methods | 41 |
| 164 | Dang, Christian Dominic | Parade College | Bundoora | Mathematical Methods | 42 |
| 165 | Dang, Ethan | Melbourne High School | South Yarra | Mathematical Methods | 43 |
| 166 | Dang, Sharlene | Haileybury Girls College | Keysborough | Mathematical Methods | 43 |
| 167 | Danha, Fadi | Caroline Chisholm Catholic College | Braybrook | Mathematical Methods | 48 |
| 168 | Dannatt, Lily Adele | Bacchus Marsh Grammar | Bacchus Marsh | Mathematical Methods | 48 |
| 169 | Davies, Thomas Gerrard | Xavier College | Kew | Mathematical Methods | 49 |
| 170 | Davis, Oliver Will | Caulfield Grammar School Wheelers Hill | Wheelers Hill | Mathematical Methods | 43 |
| 171 | De Forest, Bailey Kathleen Lily | Mentone Grammar School | Mentone | Mathematical Methods | 42 |
| 172 | De Ruyter, Henry William | Camberwell High School | Canterbury | Mathematical Methods | 46 |
| 173 | Deacon, Sam George | Scotch College | Hawthorn | Mathematical Methods | 44 |
| 174 | Deb, Rishan | John Monash Science School | Clayton | Mathematical Methods | 48 |
| 175 | Deb, Rishit | Melbourne High School | South Yarra | Mathematical Methods | 45 |
| 176 | Deb, Soham | Caulfield Grammar School Wheelers Hill | Wheelers Hill | Mathematical Methods | 44 |
| 177 | Delhey Peters, Joaquin Alfredo | John Monash Science School | Clayton | Mathematical Methods | 48 |
| 178 | Delios, Leah Victoria | Ivanhoe Grammar School Ridgeway | Ivanhoe | Mathematical Methods | 41 |
| 179 | Deng, Asun | Melbourne Girls Grammar | South Yarra | Mathematical Methods | 42 |
| 180 | Deng, Shaotong | Haileybury College | Keysborough | Mathematical Methods | 45 |
| 181 | Dennehy, Patrick Barnett | Northcote High School | Northcote | Mathematical Methods | 42 |
| 182 | Derbyshire, Matilda Rose | Sacred Heart College Geelong | Newtown | Mathematical Methods | 40 |
| 183 | Desai, Anushka | Good News Lutheran College | Tarneit | Mathematical Methods | 41 |
| 184 | Deshpande, Shlok Vyankatesh | Nossal High School | Berwick | Mathematical Methods | 40 |
| 185 | Deva Sam Fedrick, Nitin Joshua | Melbourne High School | South Yarra | Mathematical Methods | 45 |
| 186 | Devatha, Madhav Arya | Nossal High School | Berwick | Mathematical Methods | 40 |
| 187 | Dey, Vedang | Melbourne High School | South Yarra | Mathematical Methods | 44 |
| 188 | Dhaliwal, Harvardan Singh | Ivanhoe Grammar School Plenty | Doreen | Mathematical Methods | 42 |
| 189 | Dhanoa, Manraj Singh | Hume Anglican Grammar | Mickleham | Mathematical Methods | 50 |
| 190 | Dhingra, Saanvi | Suzanne Cory High School | Werribee | Mathematical Methods | 43 |
| 191 | Dhurve, Ansh Sunilkumar | Balwyn High School | Balwyn North | Mathematical Methods | 40 |
| 192 | Di Natale, Samuel John | Penleigh and Essendon Grammar School | Keilor East | Mathematical Methods | 41 |
| 193 | Diep, Ethan James | Melbourne High School | South Yarra | Mathematical Methods | 47 |
| 194 | Dimech, Benjamin Gerard | Brighton Grammar School | Brighton | Mathematical Methods | 47 |
| 195 | Dinatale, Mary | Santa Maria College | Northcote | Mathematical Methods | 42 |
| 196 | Dinelli, Zara Isobel | Loreto Mandeville Hall | Toorak | Mathematical Methods | 42 |
| 197 | Ding, James Zhiyuan | Camberwell Grammar School | Canterbury | Mathematical Methods | 44 |
| 198 | Ding, Rey Ji Qiu | Huntingtower School | Mount Waverley | Mathematical Methods | 40 |
| 199 | Diy, Brendan Barry | Melbourne High School | South Yarra | Mathematical Methods | 42 |
| 200 | Dmytrenko, Max Russell | Williamstown High School | Williamstown | Mathematical Methods | 43 |