This is the SACE Honour Roll, listing every award, merit or prize won by South Australian SACE students in 2023, along with their school and subject details.
The report also includes significant Australian national awards and prizes such as the Australian Student Prize.
| 416 | Gilgen, Dylan John | SA | Merit | Business Innovation | |
| 417 | Gill, Laura Mackenzie | SA | Merit | Child Studies | |
| 418 | Gillespie, Sadie Ada Caroline | SA | Merit | Research Project B | |
| 419 | Giotis, Emily Allison | SA | Merit | Chemistry | |
| 420 | Giotis, Emily Allison | SA | Merit | Essential Mathematics | |
| 421 | Giotis, Emily Allison | SA | Merit | Integrated Learning B | |
| 422 | Girardi, Jade | SA | Merit | Child Studies | |
| 423 | Glasson, Harry James | SA | Merit | Activating Identities and Futures | |
| 424 | Gobell, Lucy Frances | SA | Merit | Biology | |
| 425 | Goh, Emmanuel Xin Liang | SA | Merit | English | |
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| 426 | Goh, Zhuo Xun | SA | Merit | Physics | |
| 427 | Golding, Freya Maria | SA | Merit | Legal Studies | |
| 428 | Gooi, Emily Wen Shuen | SA | Merit | Mathematical Methods | |
| 429 | Goold, Henry | SA | Merit | Digital Communication Solutions | |
| 430 | Gordo, Wanika Reese | SA | Merit | English | |
| 431 | Gosse, Amelia Sophie | SA | Merit | Activating Identities and Futures | |
| 432 | Gouws, Anthony | SA | Merit | Physics | |
| 433 | Grasser, Jessica Lauren | SA | Merit | Ancient Studies | |
| 434 | Grasser, Jessica Lauren | SA | Merit | English Literary Studies | |
| 435 | Grasser, Jessica Lauren | SA | Merit | Modern History | |
| 436 | Grasser, Jessica Lauren | SA | Merit | Politics, Power and People | |
| 437 | Gray, Jarrod | SA | Merit | General Mathematics | |
| 438 | Green, Aidan Malcolm | SA | Merit | Accounting | |
| 439 | Green, Erin | SA | Merit | Research Project B | |
| 440 | Greenslade, Tomas | SA | Merit | Activating Identities and Futures | |
| 441 | Gregory, Bethany | SA | Merit | Research Project B | |
| 442 | Greig, Arabelle Lilly | SA | Merit | Research Project B | |
| 443 | Grether, Jasmine Annalise | SA | Merit | Child Studies | |
| 444 | Grether, Jasmine Annalise | SA | Merit | English Literary Studies | |
| 445 | Grether, Jasmine Annalise | SA | Prize: Tennyson Medal | English Studies | |
| 446 | Griffiths, Anabel | SA | Merit | Research Project B | |
| 447 | Griffiths, Maniah | SA | Merit | Creative Arts | |
| 448 | Grimwood, Isabel | SA | Merit | Research Project B | |
| 449 | Grivell, Eliza Jane | SA | Merit | Research Project B | |
| 450 | Gross, Georgina | SA | Merit | English | |
| 451 | Guarino, Haera | SA | Merit | Research Project B | |
| 452 | Gul, Sarah Mei | SA | Merit | Activating Identities and Futures | |
| 453 | Gul, Sarah Mei | SA | Merit | English Literary Studies | |
| 454 | Gunn, Jasmine | SA | Merit | Food and Hospitality | |
| 455 | Gunson, Zashka | SA | Merit | Activating Identities and Futures | |
| 456 | Gunther, Grace Julia | SA | Merit | Integrated Learning A | |
| 457 | Guo, Jinghan | SA | Merit | Music Studies | |
| 458 | Guppy, Tara Grace | SA | Merit | General Mathematics | |
| 459 | Gupta, Rashi | SA | Merit | Chemistry | |
| 460 | Gupta, Rashi | SA | Merit | English | |
| 461 | Haarhoff, Hanno | SA | Merit | Robotic and Electronic Systems | |
| 462 | Haddock, Skye Madeleine | SA | Merit | Modern History | |
| 463 | Hagivassilis, Alexander Lam | SA | Merit | Psychology | |
| 464 | Halabi, Jayden | SA | Merit | Health and Wellbeing | |
| 465 | Halfpenny, Kane | SA | Merit | General Mathematics | |