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.
| 323 | Goel, Ishita | SA | Merit | Chemistry | |
| 324 | Gogna, Silvy | SA | Merit | Psychology | |
| 325 | Golshani, Behtash | SA | Merit | Chemistry | |
| 326 | Golshani, Behtash | SA | Merit | Physics | |
| 327 | Golshani, Behtash | SA | Merit | Specialist Mathematics | |
| 328 | Gong, Qian | SA | Merit | English as an Additional Language | |
| 329 | Gong, Qian | SA | Merit | Essential Mathematics | |
| 330 | Gong, Qian | SA | Merit | Research Project A | |
| 331 | Goodwin, Stephanie | SA | Merit | Integrated Learning A | |
| 332 | Goold, Emily | SA | Merit | Research Project B | |
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| 333 | Gordon, Abbie Claire | SA | Merit | Integrated Learning B | |
| 334 | Gordon, Nicola | SA | Merit | Economics | |
| 335 | Gordon, Nicola | SA | Merit | English | |
| 336 | Gough, Hannah | SA | Merit | Physical Education | |
| 337 | Gouskos, Dion Anesti | SA | Merit | Essential Mathematics | |
| 338 | Gouskos, Peta | SA | Merit | Physical Education | |
| 339 | Goyal, Kush Mehar | SA | Merit | Modern History | |
| 340 | Goyal, Kush Mehar | SA | Merit | Music Performance - Solo | |
| 341 | Graziano, Alannah | SA | Merit | Psychology | |
| 342 | Green, Jackson | SA | Merit | Research Project B | |
| 343 | Gregory, Mary | SA | Merit | Research Project B | |
| 344 | Gregory, Taylah Jacinta | SA | Merit | Health | |
| 345 | Greig, Maddison | SA | Merit | Business and Enterprise | |
| 346 | Griffin, Matthew John | SA | Merit | Research Project B | |
| 347 | Grill, Claudia | SA | Merit | Child Studies | |
| 348 | Grow, William Jack | SA | Merit | Mathematical Methods | |
| 349 | Grow, William Jack | SA | Merit | Specialist Mathematics | |
| 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 | |
| 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 | |