This is the SACE Honour Roll, listing every award, merit or prize won by South Australian SACE students in 2019, along with their school and subject details.
The report also includes significant Australian national awards and prizes such as the Australian Student Prize.
| 196 | Cummins, Rochelle Madeline | SA | Merit | Modern History | |
| 197 | Cunningham, Edward McKenzie Twynem | SA | Merit | Essential Mathematics | |
| 198 | Curthoys-Davies, Harli Ai | SA | Merit | Workplace Practices | |
| 199 | D'Agostino, Adam | SA | Merit | Scientific Studies | |
| 200 | Danciu, Ana | Pembroke School | Kensington Park | Prize: John Lewis Medal and Prize | Geography |
| 201 | Danciu, Ana Laura | SA | Merit | Geography | |
| 202 | Daniel, David | SA | Merit | Essential Mathematics | |
| 203 | Daniell, Matthew Rhys | SA | Merit | Drama | |
| 204 | Dare, Claudia Rose | SA | Merit | English | |
| 205 | Darwent, Isabella Madison | SA | Merit | Chemistry | |
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| 206 | Davies, Benjamin | SA | Merit | Integrated Learning A | |
| 207 | Davis, William Edward | SA | Merit | Mathematical Methods | |
| 208 | Davis, William Edward | SA | Merit | Specialist Mathematics | |
| 209 | Day, Claire Elise | SA | Merit | English | |
| 210 | Day, Claire Elise | SA | Merit | General Mathematics | |
| 211 | De Cesare, Lachlan Oscar | SA | Merit | Research Project B | |
| 212 | De Palo, Tiana | SA | Merit | Information Processing and Publishing | |
| 213 | De Vellis, Georgia | SA | Merit | Research Project B | |
| 214 | Degenhart, Maggie Maria Haines | SA | Merit | Outdoor Education | |
| 215 | Deionno, Angello Mario | SA | Merit | Research Project B | |
| 216 | Dent, Matilda Grace | SA | Merit | Agricultural Production | |
| 217 | Deshpande, Anuja | SA | Merit | Research Project B | |
| 218 | Dessaur, William James | SA | Merit | Research Project B | |
| 219 | Dewhurst, Isabella Susan Olive | SA | Merit | English | |
| 220 | Dhillon, Mehak | SA | Merit | Research Project B | |
| 221 | Dias, Rithik Yomal | SA | Merit | English | |
| 222 | Dignan, Cooper Matthew | SA | Merit | Research Project B | |
| 223 | Dimitrious, Panayiota | SA | Merit | Research Project B | |
| 224 | Ding, Mark | SA | Merit | Chemistry | |
| 225 | Ding, Ruijin | SA | Merit | General Mathematics | |
| 226 | Dixon, Tasman Howard | SA | Merit | Modern History | |
| 227 | Dixon, Tasman Howard | SA | Merit | Visual Arts - Art | |
| 228 | Doddridge, Tully | SA | Merit | Communication Products II | |
| 229 | Dolling, Sophie Kate | SA | Merit | Biology | |
| 230 | Dong, Hongjun (Rachel) | SA | Merit | Research Project B | |
| 231 | Dorsey, Layla Kate | SA | Merit | Research Project B | |
| 232 | Douglas, Tayla | SA | Merit | Child Studies | |
| 233 | Dredge, Emma Jessica | SA | Merit | Health | |
| 234 | Driscoll, Caitlin | SA | Merit | Music Explorations | |
| 235 | Driscoll, Caitlin | SA | Merit | Psychology | |
| 236 | Driscoll, Caitlin | SA | Merit | Research Project B | |
| 237 | Du, Peiyao | SA | Merit | Essential English | |
| 238 | Dumbrill, Alessa | SA | Merit | Health | |
| 239 | Duncan, Lucy | SA | Merit | Physical Education | |
| 240 | Dunn, Mitchell Geoffrey | SA | Merit | Business and Enterprise | |
| 241 | Dunn, Mitchell Geoffrey | SA | Merit | General Mathematics | |
| 242 | Duong, Caitlin | SA | Merit | General Mathematics | |
| 243 | Duong, Kallan | SA | Merit | Biology | |
| 244 | Dutch, Allan Nicholas | SA | Merit | Specialist Mathematics | |
| 245 | Dwyer, Victoria | SA | Merit | Religion Studies | |