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.
| 791 | Morgan, Amber Faith | SA | Merit | Food and Hospitality | |
| 792 | Morgan, Sarah | SA | Merit | Psychology | |
| 793 | Morton, Charles James | SA | Merit | Chemistry | |
| 794 | Morton, Charles James | SA | Merit | English | |
| 795 | Morton, Charles James | SA | Merit | Mathematical Methods | |
| 796 | Moseby Read, Layla | SA | Merit | English | |
| 797 | Moseby Read, Layla | SA | Merit | General Mathematics | |
| 798 | Moss, Madeleine Jemima | SA | Merit | Biology | |
| 799 | Moularadellis, Emma | SA | Merit | Business Innovation | |
| 800 | Mubarak, Roshni | SA | Merit | Essential Mathematics | |
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| 801 | Muhtasim, Saajid | SA | Merit | Research Project B | |
| 802 | Muir, Emilie | SA | Merit | Research Project B | |
| 803 | Mukherjee, Shiva Kim | SA | Merit | Accounting | |
| 804 | Mulrooney, Isobella | SA | Merit | Ancient Studies | |
| 805 | Muniandy, Remashree | SA | Merit | Indonesian (Continuers) | |
| 806 | Munir, Liam Zain | SA | Merit | Biology | |
| 807 | Murphy, Ethan | SA | Merit | English | |
| 808 | Murphy, Ethan | SA | Merit | Physical Education | |
| 809 | Muscat, Kara | SA | Merit | Research Project B | |
| 810 | Nagpal, Jeevika | SA | Merit | English | |
| 811 | Nairn, Emma | SA | Merit | Nutrition | |
| 812 | Napier, Lachlan Craig | SA | Merit | Physics | |
| 813 | Napoli, Sophie | SA | Merit | Workplace Practices | |
| 814 | Natt, Mitchell William | SA | Merit | Economics | |
| 815 | Natt, Mitchell William | SA | Merit | Research Project B | |
| 816 | Navaratne, Devnie Paramee | SA | Merit | Essential Mathematics | |
| 817 | Navaratne, Devnie Paramee | SA | Merit | Integrated Learning A | |
| 818 | Nehvi, Haani Tariq | SA | Merit | Biology | |
| 819 | Nelson, Lisa Mary | SA | Merit | Information Processing and Publishing | |
| 820 | Neville, Georgina Monica | SA | Merit | General Mathematics | |
| 821 | Ngo, Bao Nhi | SA | Merit | Communication and the Community | |
| 822 | Ngo, Thuyen Thuyen [Anna] | SA | Merit | Physics | |
| 823 | Ngo, Thuyen Thuyen [Anna] | SA | Merit | Visual Arts - Art | |
| 824 | Nguon, Anna | SA | Merit | Chemistry | |
| 825 | Nguon, Anna | SA | Merit | Mathematical Methods | |
| 826 | Nguyen, Dang Thien Thanh | SA | Merit | Research Project B | |
| 827 | Nguyen, Danny | SA | Merit | Accounting | |
| 828 | Nguyen, Danny | SA | Merit | Biology | |
| 829 | Nguyen, Danny | SA | Merit | Chemistry | |
| 830 | Nguyen, Kelvin Minh Nhat | SA | Merit | Robotic and Electronic Systems | |
| 831 | Nguyen, Thomas Tri | SA | Merit | Integrated Learning A | |
| 832 | Nguyen, Trinh Thanh Nhi | SA | Merit | Biology | |
| 833 | Nguyen, Trung | SA | Merit | Biology | |
| 834 | Ni, Alex | SA | Merit | Mathematical Methods | |
| 835 | Nicholls, Charlotte Suzanne | SA | Merit | Creative Arts | |
| 836 | Nicholls, Samuel David | SA | Merit | General Mathematics | |
| 837 | Nimon, Natalie | SA | Merit | General Mathematics | |
| 838 | Nind, Alexander Sebastian | SA | Merit | Mathematical Methods | |
| 839 | Ninio, Jeremy Frank | SA | Merit | Research Project B | |
| 840 | Nitschke, Samuel | Loxton High School | Loxton | Gov of SA SACE Award | |