| 351 | Halley, Michael Richard | Suzanne Cory High School | Werribee | Mathematical Methods | 43 |
| 352 | Han, Xueyao | Caulfield Grammar School Wheelers Hill | Wheelers Hill | Mathematical Methods | 47 |
| 353 | Han, Zheng | Haileybury College Tianjin Campus | Tianjin, China | Mathematical Methods | 42 |
| 354 | Harrison, Ryan Samuel | Mullauna College | Mitcham | Mathematical Methods | 40 |
| 355 | Hartman, Nevoh Shlomo | Bialik College | Hawthorn | Mathematical Methods | 44 |
| 356 | Harverson, Luke | Thornbury High School | Thornbury | Mathematical Methods | 44 |
| 357 | Haseeb, Nimra | Mentone Grammar School | Mentone | Mathematical Methods | 44 |
| 358 | Hawke, Hunter Dene | Trinity Grammar School | Kew | Mathematical Methods | 40 |
| 359 | Hayhoe, Jessica Lucy Richmond | Genazzano F.C.J. College | Kew | Mathematical Methods | 41 |
| 360 | He, Bingyan | Yarra Valley Grammar School | Ringwood | Mathematical Methods | 43 |
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| 361 | He, Eric Zirui | Scotch College | Hawthorn | Mathematical Methods | 47 |
| 362 | He, Zhi Cheng | Melbourne High School | South Yarra | Mathematical Methods | 43 |
| 363 | Heng, Toshio | Keysborough Secondary College Acacia | Keysborough | Mathematical Methods | 43 |
| 364 | Herath Mudiyanselage, Thisaga Windinu | Huntingtower School | Mount Waverley | Mathematical Methods | 41 |
| 365 | Hermann, Harry | Melbourne High School | South Yarra | Mathematical Methods | 47 |
| 366 | Hew, Wan Sui | Glen Waverley Secondary College | Glen Waverley | Mathematical Methods | 43 |
| 367 | Hilson, Abigail Ruth | Our Lady of Sion College | Box Hill | Mathematical Methods | 40 |
| 368 | Hiremani, Neha | Viewbank College | Viewbank | Mathematical Methods | 41 |
| 369 | Hirimuthugoda, Thesara Himansa | Haileybury College | Keysborough | Mathematical Methods | 44 |
| 370 | Ho, Anh Quan | John Monash Science School | Clayton | Mathematical Methods | 44 |
| 371 | Ho, Justus | Scotch College | Hawthorn | Mathematical Methods | 42 |
| 372 | Ho, Mireille Ruey Hann | MacRobertson Girls High School | Melbourne | Mathematical Methods | 50 |
| 373 | Hoang, David An Quoc | Caroline Chisholm Catholic College | Braybrook | Mathematical Methods | 40 |
| 374 | Hoang, Patrick Long | Yarra Valley Grammar School | Ringwood | Mathematical Methods | 41 |
| 375 | Hoang, Quoc Phong Jack | Vermont Secondary College | Vermont | Mathematical Methods | 41 |
| 376 | Hodgkins, Alexander Robert | St Bedes College | Mentone | Mathematical Methods | 41 |
| 377 | Holmes, Dylan James | St Helena Secondary College | Eltham North | Mathematical Methods | 47 |
| 378 | Holmes, Tahran | Woodleigh School | Langwarrin South | Mathematical Methods | 41 |
| 379 | Holsken, Rachael Isobel | Star of the Sea College | Brighton | Mathematical Methods | 41 |
| 380 | Hong, Ellen Phan | MacRobertson Girls High School | Melbourne | Mathematical Methods | 41 |
| 381 | Hookey, Aidan Frank | Tintern Grammar | Ringwood East | Mathematical Methods | 44 |
| 382 | Hordern, Alex | Luther College | Croydon Hills | Mathematical Methods | 42 |
| 383 | Hou, Shujia | Peninsula Grammar Heze No 1 Middle School | Shandong, China | Mathematical Methods | 40 |
| 384 | Howarth-Carpenter, James Martin | Richmond High School | Richmond | Mathematical Methods | 43 |
| 385 | Hsu, Chi-An | John Monash Science School | Clayton | Mathematical Methods | 41 |
| 386 | Htet, Nay Chi Moe | Sirius College Dandenong Campus | Keysborough | Mathematical Methods | 41 |
| 387 | Hu, Jialin | Firbank Grammar School Harbin American-Canadian Foreign Language School | Heilongjiang, China | Mathematical Methods | 42 |
| 388 | Hu, Jiexiang | Camberwell Grammar School | Canterbury | Mathematical Methods | 43 |
| 389 | Hu, Sean | Nossal High School | Berwick | Mathematical Methods | 42 |
| 390 | Hu, Xinchen | Thomas Carr College Langfang Foreign Language School | Anci Langfangm China | Mathematical Methods | 40 |
| 391 | Hua, Dylan Tze Sam | Vermont Secondary College | Vermont | Mathematical Methods | 50 |
| 392 | Huang, Audrey | Caulfield Grammar School Wheelers Hill | Wheelers Hill | Mathematical Methods | 42 |
| 393 | Huang, Chuxi | Haileybury Girls College | Keysborough | Mathematical Methods | 41 |
| 394 | Huang, Derek Yi Cheng | Kilvington Grammar School | Ormond | Mathematical Methods | 48 |
| 395 | Huang, Harley | Melbourne High School | South Yarra | Mathematical Methods | 47 |
| 396 | Huang, Junze | Mordialloc College | Mordialloc | Mathematical Methods | 40 |
| 397 | Huang, Qiwei | Haileybury Wuhan Foreign Language School | Wuhan, China | Mathematical Methods | 41 |
| 398 | Huang, Ryan Rui-An | Ballarat Clarendon College | Ballarat | Mathematical Methods | 43 |
| 399 | Huang, Siyuan | Ruyton Girls School | Kew | Mathematical Methods | 43 |
| 400 | Huang, Tianfeng | Carey Baptist Grammar School | Kew | Mathematical Methods | 42 |