This is the SACE Honour Roll, listing every award, merit or prize won by South Australian SACE students in 2005, along with their school and subject details.
The report also includes significant Australian national awards and prizes such as the Australian Student Prize.
| 590 | Luu, My Di | SA | Merit | Physics | |
| 591 | Ly, Christina | SA | Merit | Japanese (Continuers) | |
| 592 | Lyndell, Lyndell | SA | Merit | Aboriginal Studies | |
| 593 | Lyons, Henrietta Emily | SA | Merit | Physics | |
| 594 | Macadam, Leila | SA | Merit | English Studies | |
| 595 | Macadam, Leila | SA | Merit | Physics | |
| 596 | Macaulay, Megan | SA | Merit | Tourism | |
| 597 | Mackay, Thomas Ashley | SA | Merit | Ensemble Performance | |
| 598 | Madan, Sahil | SA | Merit | Physics | |
| 599 | Maddocks, Amy | SA | Merit | Nutrition | |
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| 600 | Madsen, Kate Elizabeth | SA | Merit | English Communications | |
| 601 | Maghsoudi, Pejman | SA | Merit | Persian (Background Speakers) | |
| 602 | Mahlburg, Donna Renae | SA | Merit | Mathematical Applications | |
| 603 | Mahlburg, Donna Renae | SA | Merit | Nutrition | |
| 604 | Main, Holly Cindy | SA | Merit | Geography Studies | |
| 605 | Maiolo, Jason | SA | Merit | Chemistry | |
| 606 | Maiolo, Jason | SA | Merit | Mathematical Studies | |
| 607 | Majoros, Peter Nathan | SA | Merit | Performance Special Study | |
| 608 | Majoros, Peter Nathan | SA | Merit | Solo Performance | |
| 609 | Makarainen, Angela | SA | Merit | English Studies | |
| 610 | Makepeace, Joshua | SA | Merit | Drama | |
| 611 | Makepeace, Joshua | SA | Merit | Indonesian (Continuers) | |
| 612 | Makepeace, Joshua | SA | Merit | Physics | |
| 613 | Makepeace, Joshua | SA | Prize: Azhar Abbas Memorial Prize | Indonesian | |
| 614 | Makepeace, Joshua William | St Johns Grammar School | Belair | Australian Student Prize | |
| 615 | Maksimovic, Lauren Jane | SA | Merit | Food and Hospitality Studies | |
| 616 | Maloney, Tristan James | SA | Merit | Mathematical Studies | |
| 617 | Mansfield, James Andrew | SA | Merit | Design Practical | |
| 618 | Marcus, Benjamin | SA | Merit | Arts and the Community | |
| 619 | Marcus, James Edward | SA | Merit | Mathematical Applications | |
| 620 | Marles, Talia Elise | SA | Merit | Community Services B | |
| 621 | Marshall, Sarah Kathleen | SA | Merit | Physical Education | |
| 622 | Marshman, Breanna Louise | SA | Merit | Business Documents | |
| 623 | Martin, Jessie Louise | SA | Merit | Vocational Studies A | |
| 624 | Martin, Katherine | SA | Merit | Mathematical Applications | |
| 625 | Martin, Kerrie | SA | Merit | English Communications | |
| 626 | Martin, Samantha | SA | Merit | Work and the Community I | |
| 627 | Martin, Victoria Ann Stuart | SA | Merit | Drama Studies | |
| 628 | Martino, Nadine Firosa Rafaella | SA | Merit | Information Technology Studies | |
| 629 | Masiero, Stephen | SA | Merit | Information Technology | |
| 630 | Matthews, Natalie | SA | Merit | Accounting Studies | |
| 631 | Matthews, Natalie | SA | Merit | Geography Studies | |
| 632 | Matulick, Tamara Gayl | SA | Merit | Physics | |
| 633 | Maxwell-Clark, Angus Stuart George | SA | Merit | Biology | |
| 634 | Maxwell-Clark, Angus Stuart George | SA | Merit | English Studies | |
| 635 | McCabe, Lauren Patricia | SA | Merit | Classical Studies | |
| 636 | McCaffrie, Caitlin Sarah | SA | Merit | French (Continuers) | |
| 637 | McCappin, Rachel Jane | SA | Merit | Mathematical Applications | |
| 638 | McConachy, Edward Geoffrey | SA | Merit | Mathematical Studies | |
| 639 | McCusker, Bridget | SA | Merit | Mathematical Applications | |