This is the SACE Honour Roll, listing every award, merit or prize won by South Australian SACE students in 2003, along with their school and subject details.
The report also includes significant Australian national awards and prizes such as the Australian Student Prize.
| 494 | Hanxhari, Julia | SA | Merit | People and Textiles | |
| 495 | Harms, Stefanie Alexandra | SA | Merit | English Studies | |
| 496 | Harnett, Liam William | SA | Merit | Japanese (Continuers) | |
| 497 | Harris, Alexander Hastwell | SA | Merit | Physical Education | |
| 498 | Harris, Caitlin Louise | SA | Merit | English Communications | |
| 499 | Harris, Kylie Marie | SA | Merit | Child Studies | |
| 500 | Harrison, Rebecca Kate | SA | Merit | Composing and Arranging | |
| 501 | Harrison, Rebecca Kate | SA | Merit | Musicianship | |
| 502 | Harrison, Rebecca Kate | SA | Merit | Solo Performance | |
| 503 | Harry, Richard John | SA | Merit | English Studies | |
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| 504 | Harry, Richard John | SA | Merit | Outdoor Education | |
| 505 | Hart, Cadence | SA | Merit | Accounting Studies | |
| 506 | Harvey, Ben William | SA | Merit | Small Business Enterprise | |
| 507 | Harvey, Georgina Llevelys | SA | Merit | Biology | |
| 508 | Harvey, Georgina Llevelys | SA | Merit | Chemistry | |
| 509 | Harvey, Georgina Llevelys | SA | Merit | English Communications | |
| 510 | Harvey, Georgina Llevelys | Wilderness School | Medindie | Australian Student Prize | |
| 511 | Harvey, Laura Grace | SA | Merit | Mathematical Applications | |
| 512 | Hase, Mahomi | SA | Merit | Japanese (Continuers) | |
| 513 | Haskett, Jacqueline Anne | SA | Merit | Agricultural and Horticultural Studies | |
| 514 | Hawker, Richard | SA | Merit | Geography Studies | |
| 515 | Hayes, Rachael Laura | SA | Merit | Biology | |
| 516 | Hayman, Lynn | SA | Merit | Vocational Studies B | |
| 517 | Hebenstreit, Emma Carlyn Stirling | SA | Merit | Studies of Societies | |
| 518 | Helyard, Jessica Lee | SA | Merit | Economics | |
| 519 | Helyard, Jessica Lee | SA | Merit | English Studies | |
| 520 | Helyard, Jessica Lee | SA | Merit | Modern History | |
| 521 | Hender, Owen Lucas | SA | Merit | Physical Education | |
| 522 | Heng, Jonathan Yee Wen | SA | Merit | Musicianship | |
| 523 | Heng, Jonathan Yee Wen | SA | Merit | Solo Performance | |
| 524 | Henry, Catherine Miranda Adair | SA | Merit | Biology | |
| 525 | Henry, Catherine Miranda Adair | SA | Merit | Chemistry | |
| 526 | Henry, Catherine Miranda Adair | SA | Merit | Mathematical Studies | |
| 527 | Henry, Catherine Miranda Adair | SA | Merit | Physics | |
| 528 | Henry, Catherine Miranda Adair | Seymour College | Glen Osmond | Australian Student Prize | |
| 529 | Hentschke, Stuart William | SA | Merit | Physical Education | |
| 530 | Heritage, Helen | SA | Merit | Art Practical | |
| 531 | Heritage, Helen | SA | Merit | Craft Practical | |
| 532 | Hermanto, Natasya Pratiwi | SA | Merit | Indonesian (Continuers) | |
| 533 | Herriman, Justin John | SA | Merit | Mathematical Studies | |
| 534 | Herriman, Justin John | SA | Merit | Physics | |
| 535 | Herriman, Justin John | SA | Merit | Specialist Mathematics | |
| 536 | Hesketh, Clare Anita | SA | Merit | Food and Hospitality | |
| 537 | Hess, Nadia Ruth | SA | Merit | Legal Studies | |
| 538 | Hetzel-Bone, Jack Maxwell | SA | Merit | Legal Studies | |
| 539 | Hewitson, Samuel George | SA | Merit | English Communications | |
| 540 | Hibble, Jenna Lee | SA | Merit | Physical Education | |
| 541 | Hicks, Jasmin Louise | SA | Merit | Accounting Studies | |
| 542 | Hicks, Jasmin Louise | SA | Merit | Visual Arts Studies | |
| 543 | Hill, Sarah Jane | SA | Merit | Biology | |