This is the SACE Honour Roll, listing every award, merit or prize won by South Australian SACE students in 2004, along with their school and subject details.
The report also includes significant Australian national awards and prizes such as the Australian Student Prize.
| 633 | Lane, Shannon | SA | Merit | Information Technology Studies | |
| 634 | Lane, Tammy Merinda | SA | Merit | Technology and the Community | |
| 635 | Lane, Tammy Merinda | SA | Merit | Work and the Community | |
| 636 | Lantieri, Laura | SA | Merit | Art Practical | |
| 637 | Law, Garry | SA | Merit | Mathematical Studies | |
| 638 | Lawrance, Emma Louise | SA | Merit | Chemistry | |
| 639 | Lawrance, Emma Louise | SA | Merit | Mathematical Studies | |
| 640 | Lawrance, Emma Louise | SA | Merit | Physics | |
| 641 | Lawrance, Emma Louise | SA | Merit | Specialist Mathematics | |
| 642 | Lawrance, Emma Louise | Brighton Secondary School | North Brighton | Australian Student Prize | |
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| 643 | Le Bherz, Nicole | SA | Merit | Business Documents | |
| 644 | Le Dan, Jayne | SA | Merit | Visual Arts Studies | |
| 645 | Le, Duc Binh (Kei) | SA | Merit | English as Second Language Studies | |
| 646 | Leahy, Erin | SA | Merit | English Communications | |
| 647 | Leane, Kylie Marguerite | SA | Merit | Language and the Community | |
| 648 | Lee, Sharon Xinling | SA | Merit | Mathematical Studies | |
| 649 | Lehmann, Elise Lorraine | SA | Merit | Design, Construction and the Community | |
| 650 | Lelli, Sarah | SA | Merit | Vocational Studies A | |
| 651 | Lemon, Phillip Edward | SA | Merit | Biology | |
| 652 | Lemon, Phillip Edward | SA | Merit | Chemistry | |
| 653 | Lemon, Phillip Edward | SA | Merit | Geography Studies | |
| 654 | Lemon, Phillip Edward | SA | Merit | Physics | |
| 655 | Lemon, Phillip Edward | SA | Prize: Way College Prize and Medal | Chemistry | |
| 656 | Lemon, Phillip Edward | Pembroke School | Kensington Park | Australian Student Prize | |
| 657 | Lewis, Kate Marie | SA | Merit | Art Practical | |
| 658 | Lewis, Kate Marie | SA | Merit | Biology | |
| 659 | Lewis, Margaret Jean | SA | Merit | Composing and Arranging | |
| 660 | Lewis, Margaret Jean | SA | Merit | Musicianship | |
| 661 | Li, Lin Lin | SA | Merit | Accounting Studies | |
| 662 | Li, Lin Lin | SA | Merit | Biology | |
| 663 | Li, Lin Lin | SA | Merit | Chemistry | |
| 664 | Li, Lin Lin | SA | Merit | Economics | |
| 665 | Liascos, Rebecca | SA | Merit | Ensemble Performance | |
| 666 | Liensavanh, Anouvong | SA | Merit | Ensemble Performance | |
| 667 | Liensavanh, Anouvong | SA | Merit | Performance Special Study | |
| 668 | Limbert, Amy Elizabeth | SA | Merit | Visual Arts Studies | |
| 669 | Limbert, Emma Kathryn | SA | Merit | English Communications | |
| 670 | Lin, Carolyn Jia | SA | Merit | Chinese (Background Speakers) | |
| 671 | Ling, David Chuan Yung | SA | Merit | English as Second Language Studies | |
| 672 | Ling, David Chuan Yung | SA | Merit | Mathematical Studies | |
| 673 | Ling, David Chuan Yung | SA | Merit | Physics | |
| 674 | Ling, David Chuan Yung | Marryatville High School | Marryatville | Australian Student Prize | |
| 675 | Lippett, John Michael | SA | Merit | Communication Products A | |
| 676 | Livaditis, Dena | SA | Merit | Design, Construction and the Community | |
| 677 | Livaditis, Joanna | SA | Merit | Health Education | |
| 678 | Livingstone, Meghan Ann | SA | Merit | The Arts and the Community | |
| 679 | Lloyd, Brady | SA | Merit | English Studies | |
| 680 | Lo, Stephanie Yin Ting | SA | Merit | Biology | |
| 681 | Lockery, Anna Louise | SA | Merit | Musicianship | |
| 682 | Lockwood, Alison Gemma | SA | Merit | Business Documents | |