This is the SACE Honour Roll, listing every award, merit or prize won by South Australian SACE students in 2018, along with their school and subject details.
The report also includes significant Australian national awards and prizes such as the Australian Student Prize.
| 711 | MUNGER, Samuel | SA | Merit | Mathematical Methods | |
| 712 | MUNRO, Julia | SA | Merit | Research Project B | |
| 713 | MURPHY, Irulan Claire Prowse | SA | Merit | Mathematical Methods | |
| 714 | MURPHY, Kiara | SA | Merit | Modern History | |
| 715 | Murphy, Kiara | St Aloysius College | Adelaide | Prize: Annie Montgomerie Martin Prize and Medal for Modern History | Modern History |
| 716 | MURPHY, Neave | SA | Merit | Research Project B | |
| 717 | MUSSARED, William Keele | SA | Merit | Modern History | |
| 718 | MYLCHREEST, Chelsea | SA | Merit | Health | |
| 719 | NAUGHTON, Angus James | SA | Merit | Research Project B | |
| 720 | NEALE, Catherine | SA | Merit | Drama | |
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| 721 | NEALE, Catherine | SA | Merit | General Mathematics | |
| 722 | NEHME, Hanna | SA | Merit | Biology | |
| 723 | NEHME, Hanna | SA | Merit | Mathematical Methods | |
| 724 | NEUMANN, Silvia Renae | SA | Merit | Workplace Practices | |
| 725 | NEWTON, Archer | SA | Merit | Research Project B | |
| 726 | NEWTON, Patrick Thomas | SA | Merit | Material Products II | |
| 727 | NG, Hock Leng (Ian) | SA | Merit | Mathematical Methods | |
| 728 | NG, Hock Leng (Ian) | SA | Merit | Specialist Mathematics | |
| 729 | NGUYEN, Albert Tue Minh | SA | Merit | English | |
| 730 | NGUYEN, Katrina Khanh | SA | Merit | English | |
| 731 | NGUYEN, Lisa | SA | Merit | Research Project B | |
| 732 | NGUYEN, Phuong Minh | SA | Merit | English | |
| 733 | NGUYEN, Stephen Thomas | SA | Merit | English | |
| 734 | NI, Feilin | SA | Merit | English as an Additional Language | |
| 735 | NICHOLLS, Emily Grace | SA | Merit | Research Project B | |
| 736 | NIROULA, Kamala | SA | Merit | Research Project B | |
| 737 | NITSCHKE, Clinton | SA | Merit | Research Project B | |
| 738 | NOLAN, Sophie Jane | SA | Merit | Research Project B | |
| 739 | NORMAN, Isabelle | SA | Merit | Ensemble Performance | |
| 740 | NORMAN, Meredith | SA | Merit | Scientific Studies | |
| 741 | NORRIS, Zachary Herbert | SA | Merit | Research Project B | |
| 742 | NUNAN, Johana | SA | Merit | Psychology | |
| 743 | NUR FAZLI, Muhammad Khalis | SA | Merit | Arts and the Community | |
| 744 | NYE, Jacinta | SA | Merit | Information Processing and Publishing | |
| 745 | O'CONNOR, Lacey | SA | Merit | Essential English | |
| 746 | O'DWYER, Corey | SA | Merit | Research Project B | |
| 747 | OATES, Thomas | SA | Merit | Mathematical Methods | |
| 748 | OATS, Zachary | SA | Merit | Research Project B | |
| 749 | OBORN, Cooper Dene | SA | Merit | Research Project B | |
| 750 | OBST, Emily Mae | SA | Merit | Research Project B | |
| 751 | OLIVER, Brooke | SA | Merit | Modern History | |
| 752 | OLSSON, Tylor Jade | SA | Merit | Research Project B | |
| 753 | OSBORN, Amelia Rose | SA | Merit | Legal Studies | |
| 754 | OTHMAN, Rola | SA | Merit | English | |
| 755 | OTTAVIANO, Sabrina | SA | Merit | Essential Mathematics | |
| 756 | OTTERSPOOR, Emily May | SA | Merit | Health | |
| 757 | OVERALL, Jack Benjamin | SA | Merit | Composing and Arranging | |
| 758 | OVERALL, Jack Benjamin | SA | Merit | Musical Styles | |
| 759 | OVERALL, Jack Benjamin | SA | Merit | Musicianship | |
| 760 | OXLEY, Ashleigh Anne | SA | Merit | Workplace Practices | |