This is the SACE Honour Roll, listing every award, merit or prize won by South Australian SACE students in 2023, along with their school and subject details.
The report also includes significant Australian national awards and prizes such as the Australian Student Prize.
| 627 | Kleinig, Allegra | SA | Merit | Physics | |
| 628 | Klose, Riley | SA | Merit | Chemistry | |
| 629 | Kneebone, Alana Adele Bamford | SA | Merit | Biology | |
| 630 | Koh, Alexander Shi-Jie | SA | Merit | Mathematical Methods | |
| 631 | Koh, Madeleine | SA | Merit | Mathematical Methods | |
| 632 | Koh, Madeleine | SA | Merit | Physics | |
| 633 | Kolencik, Isabella | SA | Merit | Outdoor Education | |
| 634 | Kollarackal, Ann Mary | SA | Merit | Activating Identities and Futures | |
| 635 | Kolomitsev, Ivy | SA | Merit | Business Innovation | |
| 636 | Kosmidis, Georgia | SA | Merit | Food and Hospitality | |
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| 637 | Kozlovic, Sophie Isabelle | SA | Merit | Biology | |
| 638 | Krolikowski-Angelino, Ruby Merie | SA | Merit | Arts and the Community | |
| 639 | Kun, Panhaseth | SA | Merit | Industry and Entrepreneurial Solutions | |
| 640 | Kundu, Ritik | SA | Merit | Mathematical Methods | |
| 641 | Kundu, Ritik | SA | Merit | Research Project B | |
| 642 | Kurian, Aagie | SA | Merit | English | |
| 643 | Kusuma, Putu Imogen Putri | SA | Merit | Activating Identities and Futures | |
| 644 | Kwon, Seojin | SA | Merit | Essential Mathematics | |
| 645 | Laddipeerla, Siri | SA | Merit | Research Project B | |
| 646 | Laforgia, Tom | SA | Merit | Modern History | |
| 647 | Lally, Krysten May | SA | Merit | Biology | |
| 648 | Lally, Krysten May | SA | Merit | Research Project A | |
| 649 | Lam, Isabella | SA | Merit | Visual Arts - Art | |
| 650 | Lane-Ellis, Ryan | SA | Merit | Integrated Learning A | |
| 651 | Lang, Kayla Jade | SA | Merit | General Mathematics | |
| 652 | Lange, Ava Rose | SA | Merit | Activating Identities and Futures | |
| 653 | Lange, Ava Rose | SA | Merit | General Mathematics | |
| 654 | Langley, Jemima Alice | SA | Merit | Activating Identities and Futures | |
| 655 | Launer, James Peter | SA | Merit | Material Solutions | |
| 656 | Laycock, Sophie | SA | Merit | Drama | |
| 657 | Le, Jade Thu Minh | SA | Merit | Biology | |
| 658 | Le, James Henry | SA | Merit | Activating Identities and Futures | |
| 659 | Le, James Henry | SA | Merit | Mathematical Methods | |
| 660 | Le, James Henry | SA | Merit | Music Performance - Ensemble | |
| 661 | Le, James Henry | SA | Merit | Music Performance - Solo | |
| 662 | Le, Joshua Tim Huu | SA | Merit | Biology | |
| 663 | Le, Joshua Tim Huu | SA | Merit | Chemistry | |
| 664 | Le, Joshua Tim Huu | SA | Merit | Mathematical Methods | |
| 665 | Le, Tam Nhu | SA | Merit | Research Project B | |
| 666 | Le, Tina | SA | Merit | Vietnamese (Continuers) | |
| 667 | Leathart, Eva Frances | SA | Merit | English Literary Studies | |
| 668 | Leathart, Eva Frances | SA | Merit | Legal Studies | |
| 669 | Lee, Chen | SA | Merit | Activating Identities and Futures | |
| 670 | Lee, Chen | SA | Merit | Japanese (Continuers) | |
| 671 | Lee, Eugene | SA | Merit | Mathematical Methods | |
| 672 | Lee, Ryan Jihwan | SA | Merit | Mathematical Methods | |
| 673 | Lee, Wilson Ching Hin | SA | Merit | Research Project B | |
| 674 | Lee, Wing Tung | SA | Merit | English | |
| 675 | Lehmann, Mikayla Emily | SA | Merit | Creative Arts | |
| 676 | Lehmann, Reuben | SA | Merit | Outdoor Education | |