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.
| 1050 | Thang, Lal Fibi | SA | Merit | Research Project B | |
| 1051 | Thavarajah, Preshaan | SA | Merit | Mathematical Methods | |
| 1052 | Then, Qi Yan | SA | Merit | Business and Enterprise | |
| 1053 | Theodorakakos, Martina | SA | Merit | Geography | |
| 1054 | Theodorakakos, Martina | SA | Merit | Research Project B | |
| 1055 | Theodorakakos, Riki | SA | Merit | English Literary Studies | |
| 1056 | Theodorakakos, Riki | SA | Merit | Modern History | |
| 1057 | Theodorakou, Konstantina | SA | Merit | Mathematical Methods | |
| 1058 | Thoman, Scarlette | SA | Merit | English | |
| 1059 | Thomas, Kael | SA | Merit | Essential Mathematics | |
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| 1060 | Thorne, Abby Grace | SA | Merit | Workplace Practices | |
| 1061 | Thorne, Ella | SA | Merit | Psychology | |
| 1062 | Thorne, Ella | Xavier College Gawler Belt Campus | Gawler Belt | Gov of SA SACE Award | |
| 1063 | Thorpe, Georgia | SA | Merit | Biology | |
| 1064 | Thorpe, Georgia | SA | Merit | English | |
| 1065 | Thorstensson, Amanda Linnea | SA | Merit | Psychology | |
| 1066 | Thursby, Hillary | SA | Merit | Ancient Studies | |
| 1067 | Thursby, Hillary | St Marys College | Adelaide | Gov of SA SACE Award | |
| 1068 | Tilby, Jarred Thomas | SA | Merit | Earth and Environmental Science | |
| 1069 | Ting, Hannah Tze-Jing | SA | Merit | English Literary Studies | |
| 1070 | Tinnion, Christian | SA | Merit | Workplace Practices B | |
| 1071 | Tiwari, Shubham | SA | Merit | Essential Mathematics | |
| 1072 | Tiwari, Sparsh | SA | Merit | Biology | |
| 1073 | Tiwari, Sparsh | SA | Merit | Chemistry | |
| 1074 | Tiwari, Sparsh | SA | Merit | English | |
| 1075 | Tonkin, Jack | SA | Merit | Mathematical Methods | |
| 1076 | Toomey, Alyssa Louise | SA | Merit | Research Project B | |
| 1077 | Tran, Ngoc Thuy Katie | SA | Merit | Biology | |
| 1078 | Tran-Nguyen, Dominico Quoc Bao | SA | Merit | Physics | |
| 1079 | Treasure, Sophie | SA | Merit | Integrated Learning A | |
| 1080 | Treasure, Sophie | SA | Merit | Women's Studies | |
| 1081 | Tregenza, Amy | SA | Merit | Essential Mathematics | |
| 1082 | Trentin, Anna | SA | Merit | Italian (Continuers) | |
| 1083 | Tripodi, Alexis | SA | Merit | English | |
| 1084 | Tsiopelas, Niki Kathleen | SA | Merit | Essential Mathematics | |
| 1085 | Tu, Joanne Simone | SA | Merit | Health | |
| 1086 | Tucker, Lucy Rose | SA | Merit | Research Project B | |
| 1087 | Turale, Fletcher Thomas | SA | Merit | Creative Arts | |
| 1088 | Turnbull, George Thomas | SA | Merit | Research Project B | |
| 1089 | Turner, William George | SA | Merit | English | |
| 1090 | Twyford, Rosa | SA | Merit | Research Project B | |
| 1091 | Tyler, Max | SA | Merit | Research Project A | |
| 1092 | Valente, Jemma Joan | SA | Merit | Research Project B | |
| 1093 | Valente, Sarah Jane | SA | Merit | Creative Arts | |
| 1094 | Vallelonga, Chantelle Jane | SA | Merit | English | |
| 1095 | Venning, Kate | SA | Merit | Biology | |
| 1096 | Venning, Mikayla Catherine | SA | Merit | English Literary Studies | |
| 1097 | Verner, Harry James | SA | Merit | Communication Products I | |
| 1098 | Verner, Harry James | SA | Merit | English Literary Studies | |
| 1099 | Verner, Harry James | SA | Merit | Psychology | |