This is the SACE Honour Roll, listing every award, merit or prize won by South Australian SACE students in 2021, along with their school and subject details.
The report also includes significant Australian national awards and prizes such as the Australian Student Prize.
| 474 | Hong, Trinity | SA | Merit | Research Project B | |
| 475 | Hosking, Thomas David | SA | Merit | Chemistry | |
| 476 | Hosking, Thomas David | SA | Merit | Mathematical Methods | |
| 477 | Hosking, Thomas David | SA | Merit | Physics | |
| 478 | Huang, Dinih | SA | Merit | Music Performance - Ensemble | |
| 479 | Huang, Dinih | SA | Merit | Music Performance - Solo | |
| 480 | Huang, Yen-Shuen | SA | Merit | Mathematical Methods | |
| 481 | Hughes, Niamh | SA | Merit | Information Processing and Publishing | |
| 482 | Humble, Lily Dawn | SA | Merit | English | |
| 483 | Hutchins, Jack | SA | Merit | Religion Studies | |
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| 484 | Hutchins, Jack | SA | Merit | Research Project B | |
| 485 | Huynh, Amy | SA | Merit | Chemistry | |
| 486 | Huynh, Amy | SA | Merit | Research Project B | |
| 487 | Huynh, Caitlin Han | SA | Merit | Chemistry | |
| 488 | Huynh, Caitlin Han | SA | Merit | Physics | |
| 489 | Huynh, Caitlin Han | SA | Merit | Specialist Mathematics | |
| 490 | Huynh, Nguyen Xuan Nien | SA | Merit | Vietnamese (Background Speakers) | |
| 491 | Huynh, To Nhu Sonia | SA | Merit | Health and Wellbeing | |
| 492 | Ielasi, Stephanie Alyse | SA | Merit | Workplace Practices | |
| 493 | Inglis, Hayley Jane | SA | Merit | Mathematical Methods | |
| 494 | Ingram, Molly Grace | SA | Merit | General Mathematics | |
| 495 | Ingram, Molly Grace | SA | Merit | Psychology | |
| 496 | Iqbal, Ahsan | SA | Merit | Chemistry | |
| 497 | Iqbal, Ahsan | SA | Merit | Research Project B | |
| 498 | Isaacs, Mitchell Colin | SA | Merit | General Mathematics | |
| 499 | Ismail, Daniel | SA | Merit | Health and Wellbeing | |
| 500 | Jackson, Peter | SA | Merit | Research Project A | |
| 501 | Jaensch, Cody John | SA | Merit | Material Solutions | |
| 502 | Jaensch, Jasmine Holly | SA | Merit | Health and Wellbeing | |
| 503 | Jakacic, Matthew Joseph | SA | Merit | General Mathematics | |
| 504 | Jakacic, Natalie Kate | SA | Merit | Modern History | |
| 505 | Jaksa, Piero Luca | SA | Merit | Chemistry | |
| 506 | Jaksa, Piero Luca | SA | Merit | Physics | |
| 507 | James, Charli Shae | SA | Merit | Ancient Studies | |
| 508 | James, Charli Shae | SA | Merit | Integrated Learning A | |
| 509 | Jamieson, Mollie | SA | Merit | Biology | |
| 510 | Jang, Jae Hee (Jay) | SA | Merit | Biology | |
| 511 | Janjua, Nihar | SA | Merit | English Literary Studies | |
| 512 | Jantzen, Matthew | SA | Merit | Research Project B | |
| 513 | Jarvis, Jaye | SA | Merit | English | |
| 514 | Jarvis, Mia Kendra Dewi | SA | Merit | Indonesian (Continuers) | |
| 515 | Jarvis, Mia Kendra Dewi | SA | Merit | Research Project B | |
| 516 | Jefferies, Nicole Margaret | SA | Merit | Research Project B | |
| 517 | Jenke, Andrew Christian | SA | Merit | Food and Hospitality | |
| 518 | Jenke, Emma Rachel | SA | Merit | Chemistry | |
| 519 | Jenke, Emma Rachel | SA | Merit | Mathematical Methods | |
| 520 | Jenke, Emma Rachel | SA | Merit | Physics | |
| 521 | Jensen, Sofia | SA | Merit | English | |
| 522 | Jesudason, Daniel Sanjivan | SA | Merit | Psychology | |
| 523 | Jesudason, Daniel Sanjivan | SA | Merit | Research Project B | |