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.
| 646 | Mahajan, Akanksha | SA | Merit | Biology | |
| 647 | Mahajan, Akanksha | SA | Merit | Chemistry | |
| 648 | Mahajan, Akanksha | SA | Merit | Mathematical Methods | |
| 649 | Mahajan, Akanksha | SA | Merit | Physics | |
| 650 | Maida, Daniel | SA | Merit | English | |
| 651 | Maida, Daniel | SA | Merit | Integrated Learning A | |
| 652 | Mangi, Muhammad Faraz | SA | Merit | Research Project B | |
| 653 | Mangla, Aaditya | SA | Merit | Physics | |
| 654 | Manning, Mason Harvey | SA | Merit | Mathematical Methods | |
| 655 | Manocchio, Paul Antoni | SA | Merit | Material Products II | |
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| 656 | Marcus, Juliana Maria | SA | Merit | General Mathematics | |
| 657 | Margach, Cameron Eric | SA | Merit | Research Project B | |
| 658 | Markos, Victoria | SA | Merit | Communication Products I | |
| 659 | Martin, Daniel | SA | Merit | General Mathematics | |
| 660 | Masullo, Alexia-Mia | SA | Merit | Essential English | |
| 661 | Matters, Alexander | SA | Merit | Modern History | |
| 662 | Mauviel, Lucy | SA | Merit | Biology | |
| 663 | Mauviel, Lucy | SA | Merit | Chemistry | |
| 664 | Mauviel, Lucy | SA | Merit | English | |
| 665 | Mauviel, Lucy | SA | Merit | Mathematical Methods | |
| 666 | Mauviel, Lucy | SA | Merit | Specialist Mathematics | |
| 667 | Mauviel, Lucy | Seymour College | Glen Osmond | Gov of SA SACE Award | |
| 668 | Mavrakis, Malena | SA | Merit | General Mathematics | |
| 669 | Mavrakis, Malena | SA | Merit | Legal Studies | |
| 670 | Mazzeo, Luca | SA | Merit | English | |
| 671 | Mazzeo, Luca | SA | Merit | General Mathematics | |
| 672 | McAdams, Benjamin Andrew | SA | Merit | Economics | |
| 673 | McAdams, Benjamin Andrew | SA | Merit | English Literary Studies | |
| 674 | McAdams, Benjamin Andrew | SA | Merit | General Mathematics | |
| 675 | McAdams, Benjamin Andrew | SA | Merit | Legal Studies | |
| 676 | McAdams, Benjamin Andrew | Pulteney Grammar School | Adelaide | Prize: Economics Teachers Society of SA Prize | Economics |
| 677 | McArthur, Liam | SA | Merit | Media Studies | |
| 678 | McCabe, Aidan | SA | Merit | General Mathematics | |
| 679 | McCarthy, Nathan | SA | Merit | Essential Mathematics | |
| 680 | McCarty, Damon | SA | Merit | Food and Hospitality | |
| 681 | Mccauley, Zara | SA | Merit | Essential English | |
| 682 | McCormack, Neve | SA | Merit | Business and Enterprise | |
| 683 | McDonald, Dante | SA | Merit | Australian and International Politics | |
| 684 | McDonald, Dante | SA | Merit | English Literary Studies | |
| 685 | McDonald, Dante | Eynesbury Senior College | Adelaide | Gov of SA SACE Award | |
| 686 | McEvoy, Ruby | SA | Merit | Research Project B | |
| 687 | McEvoy, Ruby | SA | Merit | Visual Arts - Art | |
| 688 | McGann, Sara Jayde | SA | Merit | Mathematical Methods | |
| 689 | McKay, Kate | SA | Merit | Modern History | |
| 690 | McKean, Eva Sophia | SA | Merit | Business and Enterprise | |
| 691 | McLaughlin, Georgia | SA | Merit | Essential English | |
| 692 | Mead, Jackson Darren | SA | Merit | Cross-Disciplinary Studies | |
| 693 | Mech, Isabella | SA | Merit | General Mathematics | |
| 694 | Medina-Florez, Daniela | SA | Merit | Material Products I | |
| 695 | Medina-Florez, Daniela | SA | Merit | Research Project B | |