This is the SACE Honour Roll, listing every award, merit or prize won by South Australian SACE students in 2003, along with their school and subject details.
The report also includes significant Australian national awards and prizes such as the Australian Student Prize.
| 282 | Daehn, Helmut Christian | SA | Merit | Spanish (Continuers) | |
| 283 | Daehn, Wilhelm Richard | SA | Merit | Spanish (Continuers) | |
| 284 | Dansie, Benjamin Neil | SA | Merit | Physics | |
| 285 | Das, Atandrila Ankan | SA | Merit | Physics | |
| 286 | Daughtry, Justin Paul | SA | Merit | Solo Performance | |
| 287 | Davies, Christopher | SA | Merit | Mathematical Studies | |
| 288 | Davies, Lucy Alice | SA | Merit | Business Studies | |
| 289 | Davies, Lucy Alice | SA | Merit | Child Studies | |
| 290 | Davies, Lucy Alice | SA | Merit | Information Technology | |
| 291 | Davies, Matthew Alick Llewellyn | SA | Merit | Small Business Enterprise | |
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| 292 | Davis, Hayley | SA | Merit | Food and Hospitality | |
| 293 | Davis, Hayley | SA | Merit | Geography | |
| 294 | Davis, Zachary | SA | Merit | Geography Studies | |
| 295 | Davityan, Emil | SA | Merit | Legal Studies | |
| 296 | Davityan, Emil | SA | Merit | Modern History | |
| 297 | Day, Courtney | SA | Merit | Work and the Community | |
| 298 | De Boo, Sean Chase | SA | Merit | Physics | |
| 299 | De Sousa, Sunita Maria Christina | SA | Merit | Biology | |
| 300 | De Sousa, Sunita Maria Christina | SA | Merit | Chemistry | |
| 301 | deCourcy-Ireland, Emma | SA | Merit | Biology | |
| 302 | Del Fante, Matthew | SA | Merit | Chemistry | |
| 303 | Del Fante, Matthew | SA | Merit | Economics | |
| 304 | Del Fante, Matthew | SA | Merit | Specialist Mathematics | |
| 305 | Delaney, Thomas James | SA | Merit | English Studies | |
| 306 | Demetriou, Melissa Stephanie | SA | Merit | Mathematical Applications | |
| 307 | Deng, Zhou Jason | SA | Merit | Mathematical Studies | |
| 308 | Devlin, Emma Rose | SA | Merit | Japanese (Continuers) | |
| 309 | Dibble, Gaylene | SA | Merit | Small Business Enterprise | |
| 310 | Dickens, Lyn Sue | SA | Merit | English Studies | |
| 311 | Dickson, Adele | SA | Merit | Visual Arts Studies | |
| 312 | Djurdjevic, Bianca Lauren | SA | Merit | Biology | |
| 313 | Doan, John | SA | Merit | Physics | |
| 314 | Doddridge, Evan Keith | SA | Merit | Mathematical Studies | |
| 315 | Doddridge, Evan Keith | SA | Merit | Physics | |
| 316 | Dolan, Melissa Louise | SA | Merit | Health, Recreation and the Community | |
| 317 | Dolling, Vanessa Sue-Ellen | SA | Merit | Visual Arts Studies | |
| 318 | Dolman, Breanna Sarah | SA | Merit | Mathematical Applications | |
| 319 | Dolman, Breanna Sarah | SA | Merit | Physical Education | |
| 320 | Donhardt, Patricia Kate | SA | Merit | Health Education | |
| 321 | Donnell, Amy Elizabeth Jane | SA | Merit | Nutrition | |
| 322 | Douglas, Jennifer Margaret | SA | Merit | The Arts and the Community | |
| 323 | Dowling, Katrina Claire | SA | Merit | Food and Hospitality | |
| 324 | Drew, Theodore Paul | SA | Merit | Health Education | |
| 325 | Dreyer, Rachel Patricia | SA | Merit | Music Individual Study | |
| 326 | Drogemuller, Michelle Kate | SA | Merit | Studies of Societies | |
| 327 | Drogemuller, Michelle Kate | SA | Merit | Tourism | |
| 328 | Duffy, James Michael | SA | Merit | Chemistry | |
| 329 | Duffy, James Michael | SA | Merit | Mathematical Studies | |
| 330 | Duffy, James Michael | SA | Merit | Physics | |
| 331 | Dunbar, McRae | SA | Merit | Studies of Societies | |