This is the SACE Honour Roll, listing every award, merit or prize won by South Australian SACE students in 2018, along with their school and subject details.
The report also includes significant Australian national awards and prizes such as the Australian Student Prize.
| 1146 | YEOW, Dominic Ren Yi | SA | Merit | Physics | |
| 1147 | YEW, Anthea | SA | Merit | Chemistry | |
| 1148 | YEW, Anthea | SA | Merit | English Literary Studies | |
| 1149 | YEW, Anthea | SA | Merit | Legal Studies | |
| 1150 | YIN, Jordan Dragon | SA | Merit | Specialist Mathematics | |
| 1151 | YONE, Jeff | SA | Merit | Health | |
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| 1152 | YOUNG, Amber Rose | SA | Merit | English | |
| 1153 | YOUNG, Emma Caroline | SA | Merit | Physical Education | |
| 1154 | YOUNUS, Farah Tasneem | SA | Merit | General Mathematics | |
| 1155 | YU, Yue (Annie) | SA | Merit | Mathematical Methods | |
| 1156 | YU, Yue (Annie) | SA | Merit | Physics | |
| 1157 | YU, Yue (Annie) | SA | Merit | Specialist Mathematics | |
| 1158 | YUN, Jin-Young | SA | Merit | General Mathematics | |
| 1159 | ZAMPERIN, Tiana | SA | Merit | Research Project B | |
| 1160 | ZASTERA, Jemma | SA | Merit | Research Project B | |
| 1161 | ZDANOWICZ, Sarah Lucy | SA | Merit | Research Project B | |
| 1162 | ZEKOV, Zoe Leanne | SA | Merit | Workplace Practices | |
| 1163 | ZHA, Hui Wen | SA | Merit | English as an Additional Language | |
| 1164 | ZHA, Hui Wen | SA | Merit | Japanese (Beginners) | |
| 1165 | ZHANG, Charlotte | SA | Merit | Chinese (Continuers) | |
| 1166 | ZHANG, Charlotte | SA | Merit | Mathematical Methods | |
| 1167 | ZHANG, Charlotte | SA | Merit | Solo Performance | |
| 1168 | ZHANG, Charlotte | SA | Merit | Specialist Mathematics | |
| 1169 | ZHANG, Tianhua | SA | Merit | Chinese (Background Speakers) | |
| 1170 | ZHAO, Mingyu | SA | Merit | Business and Enterprise | |
| 1171 | ZHAO, Mingyu | SA | Merit | Research Project B | |
| 1172 | ZHAOXU, Mufei Edward | SA | Merit | Chemistry | |
| 1173 | ZHAOXU, Mufei Edward | SA | Merit | English as an Additional Language | |
| 1174 | ZHENG, Aoxiang | SA | Merit | Communication Products II | |
| 1175 | ZORMAN VIAL, Lucy Francis | SA | Merit | Research Project B | |