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.
| 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 | |
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| 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 | |
| 841 | Nitschke, Samuel Kym | SA | Merit | Mathematical Methods | |
| 842 | Nitschke, Samuel Kym | SA | Merit | Research Project B | |
| 843 | Nitschke, William James | SA | Merit | Research Project B | |
| 844 | Noble, Otis Harvey | SA | Merit | English Literary Studies | |
| 845 | Noble, Otis Harvey | SA | Merit | Geography | |
| 846 | Norman, Isabelle | SA | Merit | Drama | |
| 847 | Norman, Isabelle | SA | Merit | Music Performance - Solo | |
| 848 | Norman, Isabelle | St Peters Girls School | Stonyfell | Prize: Don Maynard Music Prize | Music |
| 849 | Norsworthy, Tayla Bree | SA | Merit | Psychology | |
| 850 | Noutz, Imogen Cate | SA | Merit | Research Project B | |
| 851 | Nycz, Natasha | SA | Merit | General Mathematics | |
| 852 | O'Callaghan, Lauren Grace | SA | Merit | Research Project B | |
| 853 | O'Dea, Anthony | SA | Merit | Research Project B | |
| 854 | O'Dea, Anthony | SA | Merit | Specialist Mathematics | |
| 855 | O'Dea, Lucy | SA | Merit | Psychology | |
| 856 | O'Hara, Luke | SA | Merit | English | |
| 857 | O'Leary, Amy | SA | Merit | English | |
| 858 | O'Leary, Amy | SA | Merit | Research Project B | |
| 859 | O'Loughlin, Jacinta | SA | Merit | Essential English | |