This is the SACE Honour Roll, listing every award, merit or prize won by South Australian SACE students in 2020, along with their school and subject details.
The report also includes significant Australian national awards and prizes such as the Australian Student Prize.
| 263 | Dhillon, Sahajdeep Kaur (Lily) | SA | Merit | Business and Enterprise | |
| 264 | Di Cola, Lily | SA | Merit | Research Project B | |
| 265 | Dickinson, Lucy Ellen | SA | Merit | Physics | |
| 266 | Diko, Angelique | SA | Merit | Music Performance - Ensemble | |
| 267 | Diko, Angelique | SA | Merit | Music Performance - Solo | |
| 268 | Dimas, James | SA | Merit | Research Project B | |
| 269 | Dimitrious, Panayiota | SA | Merit | Integrated Learning A | |
| 270 | Divall, Kiah Ann | SA | Merit | Child Studies | |
| 271 | Divall, Kiah Ann | SA | Merit | English | |
| 272 | Divall, Kiah Ann | SA | Merit | Research Project B | |
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| 273 | Dix, Alice Catherine | SA | Merit | Research Project B | |
| 274 | Do, Jasmine Diem Huong | SA | Merit | English | |
| 275 | Dodsworth, Eleanor | SA | Merit | Modern History | |
| 276 | Dolling, Isobel | SA | Merit | General Mathematics | |
| 277 | Dolling, Isobel | SA | Merit | Research Project B | |
| 278 | Dolman, Lottie Fayth | SA | Merit | Research Project B | |
| 279 | Donato, Sabrina | SA | Merit | Psychology | |
| 280 | Doney, Lucy | SA | Merit | General Mathematics | |
| 281 | Dongas, Georgia | SA | Merit | General Mathematics | |
| 282 | Dostizada, Shakiba | SA | Merit | Interdisciplinary Learning and the Community | |
| 283 | Douglas, Patrick | SA | Merit | English | |
| 284 | Driver, Grace | SA | Merit | Research Project B | |
| 285 | Dugan, Emily | SA | Merit | Research Project B | |
| 286 | Duggin, Arthur Henry James | SA | Merit | Media Studies | |
| 287 | Duncan, Lucy | SA | Merit | Research Project B | |
| 288 | Dutka, Justyna Joanna | SA | Merit | Polish (Continuers) | |
| 289 | Duval, Amelia Ellen | SA | Merit | Research Project A | |
| 290 | Dzino, Ariel | SA | Merit | Creative Arts | |
| 291 | Ebert, Jessica | SA | Merit | Research Project B | |
| 292 | Edge, Tamsin | SA | Merit | English | |
| 293 | Edwards, Caitlin Susanna | SA | Merit | Chemistry | |
| 294 | Edwards, Callum Ethan | SA | Merit | General Mathematics | |
| 295 | Edwards, Harrison | SA | Merit | Food and Hospitality | |
| 296 | Edwards, Lachlan James | SA | Merit | Biology | |
| 297 | Edwards, Lachlan James | SA | Merit | General Mathematics | |
| 298 | Edwards, Sophie Loveys | SA | Merit | English | |
| 299 | Eleftheriadis, Despina Maree | SA | Merit | Health | |
| 300 | Elfenbein, Olivia | SA | Merit | Research Project B | |
| 301 | Elgar, Abigail Lucy | SA | Merit | English | |
| 302 | Elgar, Abigail Lucy | SA | Merit | Nutrition | |
| 303 | Elias, Giovanni | SA | Merit | Biology | |
| 304 | Elias, Giovanni | SA | Merit | English | |
| 305 | Elias, Giovanni | SA | Merit | Psychology | |
| 306 | Elias, Giovanni | Rostrevor College | Woodforde | Gov of SA SACE Award | |
| 307 | Elkordy, Fares Mohamed Mahmoud | SA | Merit | Research Project B | |
| 308 | Elliott, Aleisha | SA | Merit | Biology | |
| 309 | Elliott-Beinke, Avril-Skye Rose | SA | Merit | Psychology | |
| 310 | Ellis, Abigail | SA | Merit | Research Project B | |
| 311 | Emad, Kabisha | SA | Merit | English | |
| 312 | England, Isabella Grace | SA | Merit | Psychology | |