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.
| 1274 | Yadlapalli, Keerthi Prabha | SA | Merit | Research Project B | |
| 1275 | Yang, Emy | SA | Merit | Mathematical Methods | |
| 1276 | Yang, Luming | SA | Merit | Chemistry | |
| 1277 | Yang, Luming | SA | Merit | English as an Additional Language | |
| 1278 | Yates, Lachlan Andrew | SA | Merit | Physical Education | |
| 1279 | Ye, Weiting | SA | Merit | Specialist Mathematics | |
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| 1280 | Yeoh, Peter Pei Sheng | SA | Merit | Mathematical Methods | |
| 1281 | Yeow, Eleanor Ren Yan | SA | Merit | Physics | |
| 1282 | Yeung, Anne Puiyan | SA | Merit | Creative Arts | |
| 1283 | Young, Solomon | SA | Merit | Music Performance - Solo | |
| 1284 | Zaman, Mayra | SA | Merit | English | |
| 1285 | Zaman, Mayra | SA | Merit | Research Project B | |
| 1286 | Zeman, Tiali | SA | Merit | Research Project B | |
| 1287 | Zhang, Dyllan | SA | Merit | Mathematical Methods | |
| 1288 | Zhang, Dyllan | SA | Merit | Specialist Mathematics | |
| 1289 | Zhang, Junzhe | SA | Merit | Biology | |
| 1290 | Zhang, Junzhe | SA | Merit | Mathematical Methods | |
| 1291 | Zhang, Mu | SA | Merit | Biology | |
| 1292 | Zhang, Mu | SA | Merit | Chemistry | |
| 1293 | Zhang, Mu | SA | Merit | Mathematical Methods | |
| 1294 | Zhang, Victoria | SA | Merit | English | |
| 1295 | Zhang, Victoria | SA | Merit | Mathematical Methods | |
| 1296 | Zhang, Victoria | SA | Merit | Research Project B | |
| 1297 | Zhang, Yichu | SA | Merit | Material Solutions | |
| 1298 | Zhao, Catherine Xian | SA | Merit | English | |
| 1299 | Zhao, Rune Chi | SA | Merit | Biology | |
| 1300 | Zhao, Yifan | SA | Merit | Chemistry | |
| 1301 | Zhao, Yifan | SA | Merit | Mathematical Methods | |
| 1302 | Zhao, Yifan | SA | Merit | Specialist Mathematics | |
| 1303 | Zhou, Qian Ru | SA | Merit | Chemistry | |
| 1304 | Zwijnenburg, David | SA | Merit | Physics | |