This is the SACE Honour Roll, listing every award, merit or prize won by South Australian SACE students in 2004, along with their school and subject details.
The report also includes significant Australian national awards and prizes such as the Australian Student Prize.
| 833 | Oliveri, Natalie Clara | SA | Merit | Information Technology | |
| 834 | Olshansky, Anna | SA | Merit | Economics | |
| 835 | Olshansky, Anna | SA | Merit | English Studies | |
| 836 | Olshansky, Anna | SA | Prize: Economics Teachers Society of SA Prize | Economics | |
| 837 | Oppes, Sarah Elizabeth | SA | Merit | English Communications | |
| 838 | Osti, Laura Christine | SA | Merit | Drama Studies | |
| 839 | Osti, Laura Christine | SA | Merit | English Studies | |
| 840 | Ostle, Cassandra | SA | Merit | Mathematical Applications | |
| 841 | Othams, Sage Narelle | SA | Merit | Australian History | |
| 842 | Oue, Takako | SA | Merit | Japanese (Continuers) | |
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| 843 | Paech, Sally Lydia | SA | Merit | English Communications | |
| 844 | Pak Poy, Ella Mae Patricia Jen | SA | Merit | Ensemble Performance | |
| 845 | Pak Poy, Ella Mae Patricia Jen | SA | Merit | Women's Studies | |
| 846 | Palma, Rozanne | SA | Merit | Accounting Studies | |
| 847 | Panizza, Chloe | SA | Merit | English Studies | |
| 848 | Panizza, Chloe | SA | Merit | Modern History | |
| 849 | Papatraianou, Lisa Helen | SA | Merit | Studies of Societies | |
| 850 | Papillo, Lauren Michelle | SA | Merit | Food and Hospitality Studies | |
| 851 | Paterson, Daniel Jason Ian | SA | Merit | Systems and Control Products A | |
| 852 | Paterson, Laura Erin | SA | Merit | Geography Studies | |
| 853 | Pavlovic, Stevan | SA | Merit | Solo Performance | |
| 854 | Payne, Natalie | SA | Merit | Chemistry | |
| 855 | Payne, Natalie | SA | Merit | English Studies | |
| 856 | Payne, Natalie | SA | Merit | Mathematical Studies | |
| 857 | Payne, Natalie | SA | Merit | Physics | |
| 858 | Payne, Natalie | SA | Merit | Specialist Mathematics | |
| 859 | Payne, Natalie Kate | Pembroke School | Kensington Park | Australian Student Prize | |
| 860 | Pearce, Kerry Melissa | SA | Merit | Mathematical Applications | |
| 861 | Pearce, Nicola Anne | SA | Merit | Biology | |
| 862 | Pearson, Carlyn | SA | Merit | Physical Education | |
| 863 | Pederick, Lenard | SA | Merit | Musicianship | |
| 864 | Pengelly, Jessica | SA | Merit | English Studies | |
| 865 | Pengelly, Jessica | SA | Merit | Religions in Australia | |
| 866 | Penhall, Hugh | SA | Merit | Design Practical | |
| 867 | Penhall, Krystle Alexandra | SA | Merit | Media Production and Analysis | |
| 868 | Pham, William Anthony | SA | Merit | Mathematical Studies | |
| 869 | Pickering, Amanda Jaye | SA | Merit | Communication Products A | |
| 870 | Pickering, Amanda Jaye | SA | Merit | Solo Performance | |
| 871 | Pierides, Melanie | SA | Merit | Ensemble Performance | |
| 872 | Pillay, Lucy Katharine | SA | Merit | Contemporary Issues and Science | |
| 873 | Pillay, Lucy Katharine | SA | Merit | Economics | |
| 874 | Pinkster, Anita Alida | SA | Merit | Communication Products A | |
| 875 | Pisaniello, Lauren | SA | Merit | Physical Education | |
| 876 | Pitman, Heidi | SA | Merit | Natural Resources Management | |
| 877 | Pladson, Ashley Louise | SA | Merit | Tourism | |
| 878 | Platten, Cindy Dianna Catherine | SA | Merit | Performance Special Study | |
| 879 | Platten, Cindy Dianna Catherine | SA | Merit | Solo Performance | |
| 880 | Plevin, Adrian Michael | SA | Merit | Legal Studies | |
| 881 | Plevin, Adrian Michael | SA | Merit | Physics | |
| 882 | Pocock, Megan Jane | SA | Merit | Early Childhood Studies | |