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.
| 717 | Monaghan, Megan Rachel | SA | Merit | English | |
| 718 | Monteleone, Luke | SA | Merit | Research Project A | |
| 719 | Montesi, Jasper | SA | Merit | English | |
| 720 | Montgomerie, Lucy Mae | SA | Merit | Food and Hospitality | |
| 721 | Moore, Bridget Mary | SA | Merit | Business and Enterprise | |
| 722 | Moore, Peter Larry | SA | Merit | Music Explorations | |
| 723 | Moriarty, Patrick | SA | Merit | Mathematical Methods | |
| 724 | Moroney, Kate Alison | SA | Merit | Visual Arts - Design | |
| 725 | Morris, Abbie Taylor | SA | Merit | Research Project B | |
| 726 | Morris, Chloe Bokyeong | SA | Merit | English | |
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| 727 | Morris, Georgia Emily | SA | Merit | Communication Products I | |
| 728 | Morris, Tanner Mae | SA | Merit | Business and Enterprise | |
| 729 | Moseley, Charlotte | Pulteney Grammar School | Adelaide | Gov of SA SACE Award | |
| 730 | Moseley, Charlotte Hope Hill | SA | Merit | Chemistry | |
| 731 | Moseley, Charlotte Hope Hill | SA | Merit | English Literary Studies | |
| 732 | Moseley, Charlotte Hope Hill | SA | Merit | Modern History | |
| 733 | Moseley, Charlotte Hope Hill | SA | Merit | Music Performance - Ensemble | |
| 734 | Moseley, Charlotte Hope Hill | Pulteney Grammar School | Adelaide | Prize: Annie Montgomerie Martin Prize and Medal for Modern History | Modern History |
| 735 | Moskvichev, Peter Victor | SA | Merit | Mathematical Methods | |
| 736 | Moularadellis, Victoria | Wilderness School | Medindie | Gov of SA SACE Award | |
| 737 | Moularadellis, Victoria Alexandra | SA | Merit | Economics | |
| 738 | Moularadellis, Victoria Alexandra | SA | Merit | Legal Studies | |
| 739 | Mubarak, Roshni | SA | Merit | Research Project B | |
| 740 | Mudge, Rachel Edward | SA | Merit | Humanities and the Community | |
| 741 | Mueller, Sophie Joanna Frances | SA | Merit | General Mathematics | |
| 742 | Mujica, Fernando | SA | Merit | Digital Technologies | |
| 743 | Mulholland, Isabella Ruth | SA | Merit | Research Project B | |
| 744 | Mullighan, Alexander Edward | SA | Merit | English | |
| 745 | Mullins, Jessica Caitlyn | SA | Merit | Research Project B | |
| 746 | Murali, Maya | SA | Merit | Biology | |
| 747 | Murali, Maya | SA | Merit | English | |
| 748 | Murali, Maya | St Aloysius College | Adelaide | Gov of SA SACE Award | |
| 749 | Murray, Aditya | SA | Merit | Research Project B | |
| 750 | Murray, Michael James | SA | Merit | Physics | |
| 751 | Nairne-Nagy, Jaiden | SA | Merit | Essential Mathematics | |
| 752 | Nathan, Georgia Clare | SA | Merit | Research Project B | |
| 753 | Navaratne, Devnie | SA | Merit | English | |
| 754 | Nawroazi, Mussa | SA | Merit | Research Project B | |
| 755 | Neumann, Michelle | SA | Merit | French (Continuers) | |
| 756 | Neumann, Michelle | SA | Merit | General Mathematics | |
| 757 | Neumann, Michelle | SA | Merit | Philosophy | |
| 758 | Neumann, Michelle | Adelaide High School | Adelaide | Prize: Alliance Francaise d'Adelaide Prize | French |
| 759 | Neumann, Michelle | Adelaide High School | Adelaide | Prize: Annie Montgomerie Martin Prize and Medal for French | French |
| 760 | Neumann, Ophelia Rose | SA | Merit | Workplace Practices | |
| 761 | Newman, Macy | SA | Merit | Business and Enterprise | |
| 762 | Newman, Sarah | SA | Merit | Psychology | |
| 763 | Newton, Archer | SA | Merit | English | |
| 764 | Newton, Archer | SA | Merit | Physics | |
| 765 | Newton, Archer | SA | Merit | Psychology | |
| 766 | Newton, Archer | Rostrevor College | Woodforde | Gov of SA SACE Award | |