This is the SACE Honour Roll, listing every award, merit or prize won by South Australian SACE students in 2015, along with their school and subject details.
The report also includes significant Australian national awards and prizes such as the Australian Student Prize.
| 573 | Kwon, Hyejoo | SA | Merit | Business and Enterprise | |
| 574 | La, Sarena | SA | Merit | Research Project B | |
| 575 | Laden, Stephanie Maria | SA | Merit | Chemistry | |
| 576 | Laden, Stephanie Maria | SA | Merit | Mathematical Studies | |
| 577 | Laden, Stephanie Maria | SA | Merit | Research Project B | |
| 578 | Laden, Stephanie Maria | SA | Merit | Specialist Mathematics | |
| 579 | Lai de Oliveira, Alexander | SA | Merit | Research Project B | |
| 580 | Lai, Jia Jiek Abraham | SA | Merit | Research Project B | |
| 581 | Lai, Jia Lih Caleb | SA | Merit | Indonesian (Continuers) | |
| 582 | Lai, Jia Lih Caleb | SA | Prize: Azhar Abbas Memorial Prize | Indonesian | |
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| 583 | Lam, Clayton Yi Xiang | SA | Merit | Chemistry | |
| 584 | Lam, Clayton Yi Xiang | SA | Merit | Mathematical Methods | |
| 585 | Lam, Clayton Yi Xiang | SA | Merit | Performance Special Study | |
| 586 | Lamb, Benita Marie | SA | Merit | Research Project B | |
| 587 | Lambert, Regan Raha | SA | Merit | Psychology | |
| 588 | Lampard, William | SA | Merit | Integrated Learning | |
| 589 | Lang, Anyue | SA | Merit | Physics | |
| 590 | Lang, Anyue | SA | Merit | Research Project B | |
| 591 | Lang, Anyue | SA | Merit | Specialist Mathematics | |
| 592 | Lang, Anyue | Brighton Secondary School | North Brighton | Gov of SA SACE Award | |
| 593 | Langhans, Rebecca Kay | SA | Merit | Food and Hospitality | |
| 594 | Langley, Kate Elizabeth | SA | Merit | Modern History | |
| 595 | Langton, Ashleigh Grace | SA | Merit | Research Project B | |
| 596 | Lara, Reynier Evan Remo | SA | Merit | Chemistry | |
| 597 | Larke, Alexandra | SA | Merit | Research Project B | |
| 598 | Larouche, Sabrina | SA | Merit | French (Continuers) | |
| 599 | Le Tran, Kim-Nghi | SA | Merit | English as Second Language Studies | |
| 600 | Le Tran, Kim-Nghi | SA | Merit | Research Project B | |
| 601 | Le, Brandon | Sacred Heart College | Somerton Park | Gov of SA SACE Award | |
| 602 | Le, Jasmin | SA | Merit | Research Project B | |
| 603 | Le, Tyffany | SA | Merit | English as Second Language Studies | |
| 604 | Leach, Isabella Mara | SA | Merit | Research Project B | |
| 605 | Leaman, Esrom Edward | SA | Merit | Geography | |
| 606 | Leaman, Esrom Edward | SA | Merit | Research Project B | |
| 607 | Leaman, Esrom Edward | Pembroke School | Kensington Park | Gov of SA SACE Award | |
| 608 | Lee, Keagan | SA | Merit | Research Project B | |
| 609 | Lee, Shanna Qi | SA | Merit | Research Project B | |
| 610 | Lee, Yong-Min | SA | Merit | Mathematical Studies | |
| 611 | Lee, Yong-Min | SA | Merit | Physics | |
| 612 | Lee, Yong-Min | SA | Merit | Specialist Mathematics | |
| 613 | Lee, Yong-Min | SA | Prize: Don Maynard Music Prize | Music | |
| 614 | Lees, Harrison Noel | SA | Merit | Research Project B | |
| 615 | Leighton, Matilda Jane | SA | Merit | Creative Arts | |
| 616 | Leighton, Matilda Jane | SA | Merit | English Communications | |
| 617 | Lewis, Emily Rose | SA | Merit | Research Project B | |
| 618 | Li, Zhaohai | SA | Merit | Solo Performance | |
| 619 | Li, Ziming | SA | Merit | English as a Second Language | |
| 620 | Liang, Shijian | SA | Merit | English as a Second Language | |
| 621 | Lidums, Tamara | SA | Merit | Research Project B | |
| 622 | Lidums, Tamara | SA | Merit | Workplace Practices | |