This is the SACE Honour Roll, listing every award, merit or prize won by South Australian SACE students in 2019, along with their school and subject details.
The report also includes significant Australian national awards and prizes such as the Australian Student Prize.
| 567 | Laurendi, Olivia Grace | SA | Merit | Psychology | |
| 568 | Law, Olivia | SA | Merit | Business and Enterprise | |
| 569 | Lawrence, Katie Sarah | SA | Merit | Research Project B | |
| 570 | Le, Jasmin Chau Minh | SA | Merit | General Mathematics | |
| 571 | Le, Minh Thanh | SA | Merit | Mathematical Methods | |
| 572 | Le-Tran, Huy | SA | Merit | Research Project B | |
| 573 | Le-Tran, Huy | Salisbury High School | Salisbury North | Gov of SA SACE Award | |
| 574 | Leak, Ella | SA | Merit | English | |
| 575 | Leak, Ella | SA | Merit | Research Project B | |
| 576 | Leak, Ella | SA | Merit | Visual Arts - Art | |
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| 577 | Leake, Lachlan Benjamin | SA | Merit | Research Project B | |
| 578 | Lee, Felicity Huey | SA | Merit | English | |
| 579 | Lee, Felicity Huey | SA | Merit | Research Project B | |
| 580 | Lee, Jack Robert | SA | Merit | Economics | |
| 581 | Lee, Jack Robert | SA | Merit | English | |
| 582 | Lee, Sue Ven | SA | Merit | General Mathematics | |
| 583 | Leeflang, Julia | SA | Merit | Psychology | |
| 584 | Lehmann, Isabella Rochelle | SA | Merit | English | |
| 585 | Lehmann, Isabella Rochelle | SA | Merit | Physical Education | |
| 586 | Lepore, Rosa | SA | Merit | Integrated Learning A | |
| 587 | Letheby, Laura | SA | Merit | Modern History | |
| 588 | Lew, Wei Yi | SA | Merit | Mathematical Methods | |
| 589 | Lew, Wei Yi | SA | Merit | Physics | |
| 590 | Lewis, Elvin Harper | SA | Merit | English | |
| 591 | Leydon, Jemima Grace | SA | Merit | Research Project B | |
| 592 | Lidums, Martins | SA | Merit | General Mathematics | |
| 593 | Lietz, Evelyn | SA | Merit | German (Continuers) | |
| 594 | Lim, Helaiza Faye Bande | SA | Merit | Visual Arts - Art | |
| 595 | Lim, Yiing Fen (Jocelyn) | SA | Merit | Biology | |
| 596 | Lim, Yiing Fen (Jocelyn) | SA | Merit | Psychology | |
| 597 | Lin, Antonina Maria | SA | Merit | Chemistry | |
| 598 | Lin, Antonina Maria | SA | Merit | Physics | |
| 599 | Lin, Ben Jiayu | SA | Merit | Chemistry | |
| 600 | Lin, Ben Jiayu | SA | Merit | Physics | |
| 601 | Lin, Ben Jiayu | SA | Merit | Research Project B | |
| 602 | Lindsay, Teegan | SA | Merit | Business and Enterprise | |
| 603 | Liptak, Ruby Lou | SA | Merit | Research Project B | |
| 604 | Litip, Ameera | SA | Merit | English as an Additional Language | |
| 605 | Liu, Chuyao (Talia) | SA | Merit | Research Project B | |
| 606 | Liu, Lucinda | SA | Merit | Biology | |
| 607 | Liu, Lucinda | SA | Merit | Chemistry | |
| 608 | Lochert, Tallulah Starr | SA | Merit | Research Project B | |
| 609 | Lock, Larissa | SA | Merit | Food and Hospitality | |
| 610 | Lockwood, Cameron | SA | Merit | Music Explorations | |
| 611 | Loechel, Tiana Grace | SA | Merit | Research Project B | |
| 612 | Lohana, Ayush | SA | Merit | Business and Enterprise | |
| 613 | Lohana, Ayush | SA | Merit | Research Project B | |
| 614 | Loprete, Matteo | SA | Merit | Visual Arts - Design | |
| 615 | Loprete, Samuel | SA | Merit | Communication Products I | |
| 616 | Losasso, Jake | SA | Merit | Media Studies | |