This is the SACE Honour Roll, listing every award, merit or prize won by South Australian SACE students in 2005, along with their school and subject details.
The report also includes significant Australian national awards and prizes such as the Australian Student Prize.
| 340 | Golder, Helen Marie | SA | Merit | Agricultural and Horticultural Science | |
| 341 | Gordon, Alexander | SA | Merit | Chemistry | |
| 342 | Graney, Hannah Rose Cameron | SA | Merit | Visual Arts Studies | |
| 343 | Gransbury, Lucy Margaret | SA | Merit | English Communications | |
| 344 | Grant-Preece, Olivia Mary-Clare | SA | Merit | Economics | |
| 345 | Grant-Preece, Olivia Mary-Clare | SA | Merit | English Studies | |
| 346 | Grant-Preece, Olivia Mary-Clare | SA | Merit | Modern History | |
| 347 | Gray, Jordan Maxwell | SA | Merit | Business Studies | |
| 348 | Greaves, Cheryl | SA | Merit | Environment and the Community | |
| 349 | Green, Kimberley Lauren | SA | Merit | Vocational Studies B | |
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| 350 | Green, Sarah | SA | Merit | Mathematical Applications | |
| 351 | Green, Simon Patrick | SA | Merit | Chemistry | |
| 352 | Gregory, Richard | SA | Merit | Geography Studies | |
| 353 | Griffiths, Bryan Wayne | SA | Merit | Analytical Studies | |
| 354 | Griffiths, Bryan Wayne | SA | Merit | Composing and Arranging | |
| 355 | Griffiths, Bryan Wayne | SA | Merit | Music in Society | |
| 356 | Griffiths, Bryan Wayne | SA | Merit | Musicianship | |
| 357 | Grocke, Christian Andrew | SA | Merit | Physical Education | |
| 358 | Groves, Angus Bruce | SA | Merit | Mathematical Methods | |
| 359 | Gunawardena, Shayan Nilupul | SA | Merit | Accounting Studies | |
| 360 | Gunawardena, Shayan Nilupul | SA | Merit | Economics | |
| 361 | Gunawardena, Shayan Nilupul | SA | Merit | English as Second Language Studies | |
| 362 | Gustainis, Daniel | SA | Merit | Information Technology Studies | |
| 363 | Haghighi, Leila Christine | SA | Merit | Physical Education | |
| 364 | Hallett, Adele Fay | SA | Merit | Physics | |
| 365 | Hallett, Adele Fay | SA | Merit | Women's Studies | |
| 366 | Hamer, David Ian | SA | Merit | Solo Performance | |
| 367 | Hamlyn, Martin Scott | SA | Merit | Information Technology Studies | |
| 368 | Hammond, Holly Rebecca | SA | Merit | Physical Education | |
| 369 | Hampel, Lottie Alice (Lauren) | SA | Merit | English Communications | |
| 370 | Handley, Emma Catherine | SA | Merit | Biology | |
| 371 | Handley, Emma Catherine | SA | Merit | Chemistry | |
| 372 | Handley, Emma Catherine | SA | Merit | English Communications | |
| 373 | Handley, Emma Catherine | SA | Merit | Mathematical Methods | |
| 374 | Hardea, Daniel | SA | Merit | Biology | |
| 375 | Hardea, Daniel | SA | Merit | English Communications | |
| 376 | Haren, Ruth | SA | Merit | Legal Studies | |
| 377 | Harman, Emma Rachel | SA | Merit | English Communications | |
| 378 | Harman, Emma Rachel | SA | Merit | Mathematical Applications | |
| 379 | Harman, Emma Rachel | SA | Merit | Physical Education | |
| 380 | Harman, Emma Rachel | Concordia College | Highgate | Australian Student Prize | |
| 381 | Harris, Anthea Caroline | SA | Merit | English Communications | |
| 382 | Harris, Georgina Sinclair | SA | Merit | Drama Studies | |
| 383 | Harris, Georgina Sinclair | SA | Merit | English Studies | |
| 384 | Harris, Georgina Sinclair | SA | Merit | Mathematical Applications | |
| 385 | Harris, Georgina Sinclair | Walford Anglican School for Girls | Hyde Park | Australian Student Prize | |
| 386 | Harris, Jessica Eileen | SA | Merit | Classical Studies | |
| 387 | Harrison, Benjamin | SA | Merit | Solo Performance | |
| 388 | Hart, Matthew Alan | SA | Merit | Mathematical Methods | |
| 389 | Hartley, Dana Louise | SA | Merit | Biology | |