| 501 | Lam, Aaron Yu-Mun | Trinity Grammar School | Kew | Mathematical Methods | 44 |
| 502 | Lam, Kelly | St Albans Secondary College | St Albans | Mathematical Methods | 47 |
| 503 | Lam, Nathan Kai-Hei | Waverley Christian College Wantirna South | Wantirna South | Mathematical Methods | 40 |
| 504 | Landgren, Mia Eleanor | Penleigh and Essendon Grammar School | Keilor East | Mathematical Methods | 40 |
| 505 | Landstra, Thomas Boyd | Frankston High School | Frankston | Mathematical Methods | 41 |
| 506 | Langsford, David Ralph | Wantirna College | Wantirna | Mathematical Methods | 40 |
| 507 | Lantrin, Alexander Ian Louis | Brighton Grammar School | Brighton | Mathematical Methods | 42 |
| 508 | Lasnitzki, Jake | McKinnon Secondary College | McKinnon | Mathematical Methods | 40 |
| 509 | Lau, Carmen | Brentwood Secondary College | Glen Waverley | Mathematical Methods | 40 |
| 510 | Lau, Ethan Xuan-Cheng | Camberwell Grammar School | Canterbury | Mathematical Methods | 49 |
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| 511 | Law, Joash Yi-Jing | Camberwell Grammar School | Canterbury | Mathematical Methods | 43 |
| 512 | Lay, Rhianna | Nossal High School | Berwick | Mathematical Methods | 46 |
| 513 | Le, Amy | St Albans Secondary College | St Albans | Mathematical Methods | 40 |
| 514 | Le, Duc Thanh | Glen Waverley Secondary College | Glen Waverley | Mathematical Methods | 40 |
| 515 | Le, Lam Phuong | MacRobertson Girls High School | Melbourne | Mathematical Methods | 40 |
| 516 | Leach, Christopher Kevin | St Kevins College | Toorak | Mathematical Methods | 46 |
| 517 | Lee, Christine Jia Hui | Glen Waverley Secondary College | Glen Waverley | Mathematical Methods | 42 |
| 518 | Lee, Daniel | Xavier College | Kew | Mathematical Methods | 43 |
| 519 | Lee, Evie | Melbourne Girls Grammar | South Yarra | Mathematical Methods | 41 |
| 520 | Lee, Hoi Yau | Yarra Valley Grammar School | Ringwood | Mathematical Methods | 40 |
| 521 | Lee, Hsiang-Jung | Brighton Grammar School | Brighton | Mathematical Methods | 43 |
| 522 | Lee, Ian Khoon Jay | Melbourne High School | South Yarra | Mathematical Methods | 43 |
| 523 | Lee, Kai Le | Xavier College | Kew | Mathematical Methods | 43 |
| 524 | Lee, Kynan Eu-Kit | Waverley Christian College Wantirna South | Wantirna South | Mathematical Methods | 42 |
| 525 | Lee, Sienna | Penleigh and Essendon Grammar School | Keilor East | Mathematical Methods | 50 |
| 526 | Lee, Timothy Jun-Jian | Camberwell Grammar School | Canterbury | Mathematical Methods | 40 |
| 527 | Lee-Chan, Genevieve | Lowther Hall Anglican Grammar School | Essendon | Mathematical Methods | 41 |
| 528 | Lee-Ercole, Caspar | Ringwood Secondary College | Ringwood | Mathematical Methods | 40 |
| 529 | Leishman, Campbell James | Camberwell High School | Canterbury | Mathematical Methods | 40 |
| 530 | Lentin, Noah | The King David School | Armadale | Mathematical Methods | 44 |
| 531 | Leong, Adrian Jun Hoe | Yarra Valley Grammar School | Ringwood | Mathematical Methods | 47 |
| 532 | Leonidis, Max Edward | Balwyn High School | Balwyn North | Mathematical Methods | 42 |
| 533 | Leung, Jessica | Fintona Girls School | Balwyn | Mathematical Methods | 44 |
| 534 | Levy, Ariel Jade | Berwick Secondary College | Berwick | Mathematical Methods | 41 |
| 535 | Lewell, Maddox Adam | Patterson River Secondary College | Seaford | Mathematical Methods | 50 |
| 536 | Li, Chengxi | McKinnon Secondary College | McKinnon | Mathematical Methods | 42 |
| 537 | Li, Frank Luyuan | Caulfield Grammar School Caulfield | St Kilda East | Mathematical Methods | 48 |
| 538 | Li, Grace Zhiyu | MacRobertson Girls High School | Melbourne | Mathematical Methods | 50 |
| 539 | Li, Hao Yang | Haileybury College | Keysborough | Mathematical Methods | 40 |
| 540 | Li, Hubert Cheng Lin | Penleigh and Essendon Grammar School | Keilor East | Mathematical Methods | 40 |
| 541 | Li, Justin | Mentone Grammar School | Mentone | Mathematical Methods | 49 |
| 542 | Li, Kaixin | Carey Baptist Grammar School | Kew | Mathematical Methods | 50 |
| 543 | Li, Le Quan | McKinnon Secondary College | McKinnon | Mathematical Methods | 40 |
| 544 | Li, Linxian | Firbank Grammar School | Brighton | Mathematical Methods | 49 |
| 545 | Li, Lixiang | MacRobertson Girls High School | Melbourne | Mathematical Methods | 40 |
| 546 | Li, Noah Yu Hong | Caulfield Grammar School Wheelers Hill | Wheelers Hill | Mathematical Methods | 44 |
| 547 | Li, Oliver Chengxian | Trinity Grammar School | Kew | Mathematical Methods | 50 |
| 548 | Li, Tina Meiyangao | Glen Waverley Secondary College | Glen Waverley | Mathematical Methods | 41 |
| 549 | Li, Xin Tian | Lauriston Girls School | Armadale | Mathematical Methods | 42 |
| 550 | Li, Yuan Jie | Huntingtower School | Mount Waverley | Mathematical Methods | 40 |