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.
| 670 | Lee, Eugene | SA | Merit | Mathematical Methods | |
| 671 | Lee, Ryan Jihwan | SA | Merit | Mathematical Methods | |
| 672 | Lee, Wilson Ching Hin | SA | Merit | Research Project B | |
| 673 | Lee, Wing Tung | SA | Merit | English | |
| 674 | Lehmann, Mikayla Emily | SA | Merit | Creative Arts | |
| 675 | Lehmann, Reuben | SA | Merit | Outdoor Education | |
| 676 | Leonow, Oscar Grant | SA | Merit | General Mathematics | |
| 677 | Leviton, Emily Rose | SA | Merit | Research Project B | |
| 678 | Lewis, Ebony | SA | Merit | Integrated Learning A | |
| 679 | Li, William | SA | Merit | Health and Wellbeing | |
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| 680 | Liang, Jason Fuwen | SA | Merit | Research Project B | |
| 681 | Librandi, Natalie | SA | Merit | Spiritualities, Religion and Meaning | |
| 682 | Lim, Caitlan Mei Ruo | SA | Merit | English as an Additional Language | |
| 683 | Lim, Jason | SA | Merit | Biology | |
| 684 | Lim, Jason | SA | Merit | Nutrition | |
| 685 | Lim, Jason | SA | Merit | Specialist Mathematics | |
| 686 | Lim, Jason | Adelaide High School | Adelaide | Gov of SA SACE Award | |
| 687 | Lim, Jun Xian Bryce | SA | Merit | Research Project B | |
| 688 | Lim, Seongham (Matthew) | Pembroke School | Kensington Park | Gov of SA SACE Award | |
| 689 | Lim, Seonghan | SA | Merit | Chemistry | |
| 690 | Lim, Seonghan | SA | Merit | Physics | |
| 691 | Lin, Zoe | Temple Christian College Mile End Campus | Mile End | Gov of SA SACE Award | |
| 692 | Lin, Zoe Rebecca | SA | Merit | Physical Education | |
| 693 | Lin, Zoe Rebecca | SA | Merit | Psychology | |
| 694 | Linke, Joanna Kae | SA | Merit | Activating Identities and Futures | |
| 695 | Linke, Joanna Kae | SA | Merit | Material Solutions | |
| 696 | Liu, Junting | SA | Merit | English as an Additional Language | |
| 697 | Liu, Yiding | SA | Merit | Specialist Mathematics | |
| 698 | Llewellyn, Mitchell Bailey | SA | Merit | Workplace Practices B | |
| 699 | Lo, Yi-Hua Charlene | SA | Merit | Chinese (Continuers) | |
| 700 | Logan, Callum Andrew | SA | Merit | Creative Arts | |
| 701 | Logozzo, Lauren | SA | Merit | Music Explorations | |
| 702 | Loi, Jessie | SA | Merit | Activating Identities and Futures | |
| 703 | Lok, Matthew Khy-Shern | SA | Merit | Workplace Practices | |
| 704 | Lorenzetti, Nicholas William | SA | Merit | Research Project B | |
| 705 | Lothian, Alex Nicholas | SA | Merit | Digital Technologies | |
| 706 | Louca, Kalypso Sofia | SA | Merit | Industry and Entrepreneurial Solutions | |
| 707 | Lu, Andy | SA | Merit | Research Project B | |
| 708 | Lu, Daniel | SA | Merit | Psychology | |
| 709 | Lu, Samuel | SA | Merit | Biology | |
| 710 | Lu, Samuel | SA | Merit | English | |
| 711 | Lu, Samuel | SA | Merit | Nutrition | |
| 712 | Ludlow, Olivia | SA | Merit | Health and Wellbeing | |
| 713 | Lugsden, Angelina Natnisha | SA | Merit | Modern History | |
| 714 | Luke, Tobias | SA | Merit | Research Project B | |
| 715 | Luo, Xinyi | SA | Merit | Activating Identities and Futures | |
| 716 | Luu, Elizabeth Jessica | SA | Merit | Activating Identities and Futures | |
| 717 | Lydon, Wednesday | SA | Merit | General Mathematics | |
| 718 | Lynch, Harrison | SA | Merit | English | |
| 719 | Lynch, Harrison | SA | Merit | Psychology | |