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.
| 325 | FIELKE, Madison | SA | Merit | Research Project B | |
| 326 | FIGUEROA, Florencia | SA | Merit | Psychology | |
| 327 | FINLAY, Aleisha | SA | Merit | Research Project B | |
| 328 | FINN, Amelia | SA | Merit | Workplace Practices | |
| 329 | FIRTH, Ella May | SA | Merit | General Mathematics | |
| 330 | FISHER, Anne | SA | Merit | General Mathematics | |
| 331 | FOLEY, Anna | SA | Merit | Religion Studies | |
| 332 | FORMSTON, Kate Elise | SA | Merit | Business and Enterprise | |
| 333 | FORMSTON, Kate Elise | SA | Merit | Psychology | |
| 334 | FORMSTON, Sarah Amy | SA | Merit | Research Project B | |
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| 335 | FOTOPOULOS, Emily Ermioni | SA | Merit | Research Project B | |
| 336 | FRANCIS, Corbin Reece | SA | Merit | Media Studies | |
| 337 | FRANCIS, Elissa Rose | SA | Merit | Research Project B | |
| 338 | FREEMAN, Sophie | SA | Merit | Psychology | |
| 339 | FREW, Olivia | SA | Merit | Visual Arts - Art | |
| 340 | FURNO, Emily | SA | Merit | Child Studies | |
| 341 | FUTCHER, Chloe Rochelle | SA | Merit | Biology | |
| 342 | FYFE, Connor Meurig | SA | Merit | Biology | |
| 343 | FYFE, Connor Meurig | SA | Merit | Research Project B | |
| 344 | GAFFNEY, Caitlin Claire | SA | Merit | Child Studies | |
| 345 | GAIN, Alice Patricia | SA | Merit | Research Project B | |
| 346 | GALLERY, Amelia | SA | Merit | Dance | |
| 347 | GARRETT, Georgia Scarlett | SA | Merit | Physical Education | |
| 348 | GAWDE, Namrata | SA | Merit | General Mathematics | |
| 349 | GAWDE, Namrata | SA | Merit | Nutrition | |
| 350 | GAZZARD, James Paul | SA | Merit | English | |
| 351 | GHATAURA, Tejaspreet Kaur | SA | Merit | Essential Mathematics | |
| 352 | GIAMEOS, Olivia Effie | SA | Merit | Creative Arts | |
| 353 | Giddings, Matthew | Scotch College | Torrens Park | Gov of SA SACE Award | |
| 354 | GIDDINGS, Matthew John | SA | Merit | Biology | |
| 355 | GIDDINGS, Matthew John | SA | Merit | Mathematical Methods | |
| 356 | GIDDINGS, Matthew John | SA | Merit | Physics | |
| 357 | GIDDINGS, Matthew John | SA | Merit | Specialist Mathematics | |
| 358 | GIERSCH, Emma | SA | Merit | Child Studies | |
| 359 | GILBERT, Claire | SA | Merit | Religion Studies | |
| 360 | GILBERT, Claire | SA | Merit | Workplace Practices | |
| 361 | GILBERT, Dale Mark | SA | Merit | Research Project B | |
| 362 | GILES, Joshua Anthony | SA | Merit | Research Project B | |
| 363 | GILLAM, Marit Lizzie Knarberg | SA | Merit | Geography | |
| 364 | GIRI, Yash | SA | Merit | Mathematical Methods | |
| 365 | GIRI, Yash | SA | Merit | Research Project B | |
| 366 | GLEN, Ellana Louise | SA | Merit | Child Studies | |
| 367 | GLOEDE, Emily Jayne | SA | Merit | English | |
| 368 | GLOEDE, Emily Jayne | SA | Merit | Workplace Practices | |
| 369 | GOGA, Aisa | SA | Merit | Women's Studies | |
| 370 | GOLDER, Rachael Nicole | SA | Merit | Creative Arts | |
| 371 | GOLDER, Rachael Nicole | SA | Merit | Psychology | |
| 372 | GOLDNEY, Sarah | SA | Merit | English | |
| 373 | GOLDNEY, Sarah | SA | Merit | Research Project B | |
| 374 | GOMEZ, Ruby | SA | Merit | Information Processing and Publishing | |