This is the SACE Honour Roll, listing every award, merit or prize won by South Australian SACE students in 2018, along with their school and subject details.
The report also includes significant Australian national awards and prizes such as the Australian Student Prize.
| 433 | HEIN, Jasmine Evelyn | SA | Merit | Essential Mathematics | |
| 434 | HEINICKE, Samara | SA | Merit | Research Project B | |
| 435 | HEINRICH, Emily | SA | Merit | General Mathematics | |
| 436 | HEITHERSAY, Tobias John Sinclair | SA | Merit | English | |
| 437 | HEITHERSAY, Tobias John Sinclair | SA | Merit | Visual Arts - Design | |
| 438 | HERATH, Nipun Chethaka | SA | Merit | Mathematical Methods | |
| 439 | HILDER, Dyson | SA | Merit | General Mathematics | |
| 440 | HO, Wing Man | SA | Merit | Creative Arts | |
| 441 | HO, Wing Man | SA | Merit | Visual Arts - Design | |
| 442 | HODGES, Sophie Mae | SA | Merit | Psychology | |
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| 443 | HOFFMAN, Benjamin David | SA | Merit | Psychology | |
| 444 | HOGAN, Jessica Theresa | SA | Merit | Workplace Practices | |
| 445 | HOGG, Sarah Eva | SA | Merit | Biology | |
| 446 | HONG, Tiffany Thanh Nhi | SA | Merit | Physical Education | |
| 447 | HORBELT, Samantha | SA | Merit | Biology | |
| 448 | HORNSEY, Sally | SA | Merit | Research Project B | |
| 449 | HOSKING, Ella Francesca | SA | Merit | Psychology | |
| 450 | HOSKING, Joe Hugh | SA | Merit | English | |
| 451 | HOWARD, Maisie Mae | SA | Merit | English Literary Studies | |
| 452 | HOWELL, Coby Jack | SA | Merit | Research Project B | |
| 453 | HOWLETT, Kaitlyn | SA | Merit | Research Project B | |
| 454 | HREMIAS, Danielle | SA | Merit | Integrated Learning A | |
| 455 | HU, Tianying (Tina) | SA | Merit | Mathematical Methods | |
| 456 | HU, Tianying (Tina) | SA | Merit | Specialist Mathematics | |
| 457 | HUDSON, Caleb Zane | SA | Merit | Mathematical Methods | |
| 458 | HUGGETT, Olivia | SA | Merit | Food and Hospitality | |
| 459 | HUGHES, Harrison John | SA | Merit | Research Project B | |
| 460 | HURN, Ethan James Reynolds | SA | Merit | Solo Performance | |
| 461 | HURST, Madison Amy | SA | Merit | English | |
| 462 | HUSNAIN, Muhammad | SA | Merit | Research Project B | |
| 463 | HUSSAINI, Sahar Nesa | SA | Merit | Business and Enterprise | |
| 464 | HUTCHINS, Jack Andrew | SA | Merit | Research Project B | |
| 465 | HUYNH, Long | SA | Merit | Mathematical Methods | |
| 466 | HUYNH, Monica | SA | Merit | Information Processing and Publishing | |
| 467 | HYDE, Harriet | SA | Merit | English | |
| 468 | HYNES, Pierce | SA | Merit | General Mathematics | |
| 469 | IERACE, Rocco | SA | Merit | Business and Enterprise | |
| 470 | IVANOV, Michail Sergeev | SA | Merit | Society and Culture | |
| 471 | JAARSMA, Emily Hilde | SA | Merit | English | |
| 472 | JAIN, Suyash | SA | Merit | Biology | |
| 473 | JAIN, Suyash | SA | Merit | Chemistry | |
| 474 | JAIN, Suyash | SA | Merit | Psychology | |
| 475 | JANNES, Nicola | SA | Merit | English | |
| 476 | JAWAD, Zainab | SA | Merit | Chemistry | |
| 477 | JAWADI, Sayed Mohammad | SA | Merit | Health | |
| 478 | JAWADI, Sayed Mohammad | SA | Merit | Religion Studies | |
| 479 | JAYASEKARA, Rajith Avishka | SA | Merit | Biology | |
| 480 | JELLY, Kayla Kimberley | SA | Merit | Essential Mathematics | |
| 481 | JENNER, Erin | SA | Merit | Psychology | |
| 482 | JOBY, Ciyan Mariya | SA | Merit | Research Project B | |