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.
| 570 | Lippett, Brittany Rae | Walford Anglican School for Girls | Hyde Park | Australian Student Prize | |
| 571 | Liu, Xinao | SA | Merit | Chinese (Continuers) | |
| 572 | Lloyd, Randall | SA | Merit | Design Practical | |
| 573 | Lloyd, Stephanie Michelle | SA | Merit | Desktop Publishing | |
| 574 | Longbottom, James | SA | Merit | Health, Recreation and the Community II | |
| 575 | Lopresti, Gesica | SA | Merit | Desktop Publishing | |
| 576 | Lord, Joanne | SA | Merit | Mathematical Applications | |
| 577 | Lord, Joanne | SA | Merit | Psychology | |
| 578 | Lorenzin, Emma Jillian | SA | Merit | Outdoor and Environmental Studies | |
| 579 | Loukes, Matthew Scott | SA | Merit | Legal Studies | |
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| 580 | Lovell, Sarah Kate | SA | Merit | Tourism | |
| 581 | Lu, Xi Yun (Ally) | SA | Merit | Chemistry | |
| 582 | Lu, Xi Yun (Ally) | SA | Merit | Mathematical Studies | |
| 583 | Lu, Xi Yun (Ally) | SA | Merit | Physics | |
| 584 | Luks, Benjamin | SA | Merit | Philosophy | |
| 585 | Lum, Nicholas Wen | SA | Merit | Biology | |
| 586 | Lum, Nicholas Wen | SA | Merit | Legal Studies | |
| 587 | Lum, Nicholas Wen | SA | Merit | Psychology | |
| 588 | Lutze, Emily Kate | SA | Merit | Communication and the Community | |
| 589 | Luu, My Di | SA | Merit | Chemistry | |
| 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 | |
| 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 | |