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.
| 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 | |
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| 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 | |
| 390 | Hartley, Dana Louise | SA | Merit | Physics | |
| 391 | Harvey, James | SA | Merit | Chemistry | |
| 392 | Harvey, James | SA | Merit | Geography Studies | |
| 393 | Harvey, James | SA | Merit | Mathematical Studies | |
| 394 | Harvey, James | SA | Merit | Physics | |
| 395 | Harvey, James Robert | Xavier College Gawler Belt Campus | Gawler Belt | Australian Student Prize | |
| 396 | Hayter, Alexandra Jacqueline | SA | Merit | Modern History | |
| 397 | Hayter, Marie-Louise | SA | Merit | Studies of Societies | |
| 398 | Heap, Angela Kaye | SA | Merit | English Communications | |
| 399 | Heath, Danika Leah | SA | Merit | Biology | |
| 400 | Heath, Danika Leah | SA | Merit | Geography Studies | |
| 401 | Heath, Danika Leah | SA | Merit | Physical Education | |
| 402 | Heath, Danika Leah | Loreto College | Marryatville | Australian Student Prize | |
| 403 | Heinrich, Kyle Duncan | SA | Merit | Music in Society | |
| 404 | Heinrich, Simon Paul | SA | Merit | Ensemble Performance | |
| 405 | Heinrich, Simon Paul | SA | Merit | Music Individual Study | |