This is the SACE Honour Roll, listing every award, merit or prize won by South Australian SACE students in 2019, along with their school and subject details.
The report also includes significant Australian national awards and prizes such as the Australian Student Prize.
| 350 | Guidera, Mitchell Redman | SA | Merit | Mathematical Methods | |
| 351 | Guidera, Mitchell Redman | SA | Merit | Specialist Mathematics | |
| 352 | Guruge, Kulunu Sewmina | SA | Merit | Chemistry | |
| 353 | Guy, Alice Sylvia | SA | Merit | Research Project B | |
| 354 | Gwynne, Lachlan | St Michaels College | Henley Beach | Gov of SA SACE Award | |
| 355 | Gwynne, Lachlan James | SA | Merit | Mathematical Methods | |
| 356 | Gwynne, Lachlan James | SA | Merit | Physics | |
| 357 | Habel, Eve | SA | Merit | Business and Enterprise | |
| 358 | Habel, Sophia | SA | Merit | Legal Studies | |
| 359 | Habel, Sophia | SA | Merit | Modern History | |
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| 360 | Habel, Sophie | SA | Merit | General Mathematics | |
| 361 | Haberfield, Camilla Eve | SA | Merit | Drama | |
| 362 | Haddad, Isabella Mollie | SA | Merit | Biology | |
| 363 | Halfpenny, Jade | SA | Merit | Society and Culture | |
| 364 | Hall, Bailey Dakota | SA | Merit | Music Studies | |
| 365 | Hall, Sophie | SA | Merit | Research Project B | |
| 366 | Ham, Heejoo | SA | Merit | English | |
| 367 | Hang, Malcolm | SA | Merit | Religion Studies | |
| 368 | Hansch-Maher, Silas Luis Horatio | SA | Merit | Chemistry | |
| 369 | Hansch-Maher, Silas Luis Horatio | SA | Merit | Mathematical Methods | |
| 370 | Hansen, Joshua David | SA | Merit | Creative Arts | |
| 371 | Hariz, Joshua | SA | Merit | Physics | |
| 372 | Harker, Isabella | SA | Merit | General Mathematics | |
| 373 | Harman, Emelia | SA | Merit | Psychology | |
| 374 | Harper, Ebony Jade | SA | Merit | Workplace Practices | |
| 375 | Haselgrove, Julia | SA | Merit | Research Project B | |
| 376 | Haslett, Emmelia Caroline | SA | Merit | Visual Arts - Art | |
| 377 | Hassan, Nicholas | SA | Merit | English | |
| 378 | Hassold, Annika Rose | SA | Merit | English | |
| 379 | Hatwell, Sophie Jane | SA | Merit | Outdoor Education | |
| 380 | Hawker, Jessica | SA | Merit | Physical Education | |
| 381 | Hawkins, Caitlin Rose | SA | Merit | Psychology | |
| 382 | Hawkins, Henry James | SA | Merit | Physics | |
| 383 | Haydon, Alexandra Ruth | SA | Merit | Biology | |
| 384 | Heang, Keo Kasey | SA | Merit | Physical Education | |
| 385 | Heard, Ben | Kings Baptist Grammar School | Wynn Vale | Gov of SA SACE Award | |
| 386 | Heath, Nathan Riley | SA | Merit | Visual Arts - Design | |
| 387 | Heaver, Trent | SA | Merit | Mathematical Methods | |
| 388 | Heggarty, Brianna | SA | Merit | Communication Products II | |
| 389 | Heinicke, Zade | SA | Merit | Research Project B | |
| 390 | Heinrich, Lucy | SA | Merit | General Mathematics | |
| 391 | Heinsen, Francie | SA | Merit | Modern History | |
| 392 | Heinsen, Francie | SA | Merit | Society and Culture | |
| 393 | Helyar, Mia Brooke | SA | Merit | English | |
| 394 | Henderson, Georgia | SA | Merit | Essential Mathematics | |
| 395 | Henderson, Georgia | SA | Merit | Research Project A | |
| 396 | Henderson, Taylor Isabelle | SA | Merit | General Mathematics | |
| 397 | Heward, Mitchell Jack | SA | Merit | Physics | |
| 398 | Hickinbotham, Theodore Mackenzie | SA | Merit | Research Project B | |
| 399 | Higgins, Angus Bruce | SA | Merit | Outdoor Education | |