This is the SACE Honour Roll, listing every award, merit or prize won by South Australian SACE students in 2009, along with their school and subject details.
The report also includes significant Australian national awards and prizes such as the Australian Student Prize.
| 552 | Li, Xi | Norwood Morialta High School | Magill | Merit | Physics |
| 553 | Li, Xi | Norwood Morialta High School | Magill | Merit | Specialist Mathematics |
| 554 | Lillywhite, Julia Elizabeth | SA | Merit | Psychology | |
| 555 | Lim, Tien Mei | SA | Merit | Biology | |
| 556 | Liptrot, Shamus | SA | Merit | Health, Recreation, and the Community I | |
| 557 | Liptrot, Shamus | SA | Merit | Health, Recreation, and the Community II | |
| 558 | Liu, Xinyu (Hannah) | SA | Merit | Chinese (background speakers) | |
| 559 | Lock, Ben Robert | SA | Merit | Material Products B | |
| 560 | Lock, Chelsea | SA | Merit | Mathematical Applications | |
| 561 | Lockwood, Jordan Kym Sweeney | SA | Merit | Geography | |
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| 562 | Loffler, Lisa | SA | Merit | Business Studies | |
| 563 | Loielo, Stephanie Rose | SA | Merit | Communication Products A | |
| 564 | Lomen, Chantelle Kimberly | Southern Vales Christian College | Aldinga Beach | Australian Student Prize | |
| 565 | Lomen, Chantelle Kimberly | Southern Vales Christian College | Aldinga Beach | Merit | Chemistry |
| 566 | Lomen, Chantelle Kimberly | Southern Vales Christian College | Aldinga Beach | Merit | English Studies |
| 567 | Lomen, Chantelle Kimberly | Southern Vales Christian College | Aldinga Beach | Merit | Mathematical Studies |
| 568 | Lomen, Chantelle Kimberly | Southern Vales Christian College | Aldinga Beach | Merit | Physics |
| 569 | Lomen, Chantelle Kimberly | Southern Vales Christian College | Aldinga Beach | Merit | Specialist Mathematics |
| 570 | Lopriore, Stefanie Terese | SA | Merit | English Communications | |
| 571 | Love, Sharlene | SA | Merit | Health, Recreation, and the Community | |
| 572 | Ludington, Eleanor | SA | Merit | Biology | |
| 573 | Lukacs, Lisa Anne | SA | Merit | English Studies | |
| 574 | Lynch, Madeleine | SA | Merit | Tourism | |
| 575 | Lyons, Lauren Amy | SA | Merit | Design and Technology Studies | |
| 576 | Lysy, Jayde Tayla | SA | Merit | Dance Studies | |
| 577 | Mac Allan, Rebecca Lynne | SA | Merit | Nutrition | |
| 578 | Mac Allan, Rebecca Lynne | SA | Merit | Psychology | |
| 579 | Mackay, Arrabella Lucinda Hester | SA | Merit | Chemistry | |
| 580 | Mackinnon, Callum Garner | SA | Merit | Physical Education | |
| 581 | Mackle, Daniel | SA | Merit | Economics | |
| 582 | Madigan, Rebecca | SA | Merit | Chemistry | |
| 583 | Madigan, Rebecca | SA | Merit | English Communications | |
| 584 | Madigan, Rebecca | SA | Merit | Physics | |
| 585 | Madigan, Rebecca | Loreto College | Marryatville | Australian Student Prize | |
| 586 | Mahlburg, Laura Kendall | SA | Merit | Nutrition | |
| 587 | Maitland, Renni Marie | SA | Merit | Communication Products A | |
| 588 | Major, Patrick Lynch | SA | Merit | Legal Studies | |
| 589 | Mak, Jeffrey Kai Chun | SA | Merit | Chemistry | |
| 590 | Mak, Jeffrey Kai Chun | SA | Merit | Mathematical Studies | |
| 591 | Mak, Jeffrey Kai Chun | SA | Merit | Physics | |
| 592 | Mak, Jeffrey Kai Chun | SA | Merit | Specialist Mathematics | |
| 593 | Mak, Jeffrey Kai Chun | St Peters College | St Peters | Australian Student Prize | |
| 594 | Mak, Kar Fu (Sharon) | SA | Merit | Chemistry | |
| 595 | Makestas, Matthew David | SA | Merit | Chemistry | |
| 596 | Makestas, Matthew David | SA | Merit | Mathematical Studies | |
| 597 | Makestas, Matthew David | SA | Merit | Specialist Mathematics | |
| 598 | Malcolm, Anushka Satya Felizitas | SA | Merit | Visual Arts Studies | |
| 599 | Mann, Chelsea | SA | Merit | Chemistry | |
| 600 | Mann, Chelsea | SA | Merit | Physics | |
| 601 | Manuel, Vanessa | SA | Merit | Foods and the Community | |