This is the NSW HSC Honour Roll, listing every award or prize won by New South Wales HSC students in 2023, along with their school and subject details.
The report includes all Distinguished Achiever awards, All Rounder awards, and Subject Top Achiever awards (with rankings). First in Course awards are shown as Subject Top Achiever awards with a ranking of '1' i.e. first place.
The report also includes significant Australian national awards and prizes such as the Australian Student Prize.
| 27468 | O'Flynn, Nolan | Mulwaree High School | Goulburn | Visual Arts | DA | |
| 27469 | O'Gorman, Alexandra Ellis | Kincoppal Rose Bay School of the Sacred Heart | Vaucluse | Design and Technology | DA | |
| 27470 | O'Gorman, Alexandra Ellis | Kincoppal Rose Bay School of the Sacred Heart | Vaucluse | English Extension 1 | DA | |
| 27471 | O'Gorman, Alexandra Ellis | Kincoppal Rose Bay School of the Sacred Heart | Vaucluse | Studies of Religion II | DA | |
| 27472 | O'Gorman, Alexandra Ellis | Kincoppal Rose Bay School of the Sacred Heart | Vaucluse | Visual Arts | DA | |
| 27473 | O'Grady, Miles | St Ignatius College | Lane Cove | Business Studies | DA | |
| 27474 | O'Halloran-Cole, Ethan | Epping Boys High School | Eastwood | Economics | DA | |
| 27475 | O'Hara, Ava | Heathcote High School | Heathcote | Industrial Technology | DA | |
| 27476 | O'Hara, Henry | Sydney Secondary College Blackwattle Bay Campus | Glebe | Mathematics Standard 2 | DA | |
| 27477 | O'Hara, Patrick | St Ignatius College | Lane Cove | Economics | DA | |
| |
||||||
| 27478 | O'Hara, Patrick | St Ignatius College | Lane Cove | Legal Studies | DA | |
| 27479 | O'Hara, Toby | Ryde Secondary College | Ryde | Entertainment Industry Examination | DA | |
| 27480 | O'Hara, Zachary | De La Salle Catholic College Cronulla | Cronulla | All-rounder | ||
| 27481 | O'Hara, Zachary | De La Salle Catholic College Cronulla | Cronulla | Business Studies | DA | |
| 27482 | O'Hara, Zachary | De La Salle Catholic College Cronulla | Cronulla | Community and Family Studies | DA | |
| 27483 | O'Hara, Zachary | De La Salle Catholic College Cronulla | Cronulla | English Advanced | DA | |
| 27484 | O'Hara, Zachary | De La Salle Catholic College Cronulla | Cronulla | English Extension 1 | DA | |
| 27485 | O'Hara, Zachary | De La Salle Catholic College Cronulla | Cronulla | Legal Studies | DA | |
| 27486 | O'Hara, Zachary | De La Salle Catholic College Cronulla | Cronulla | Studies of Religion II | DA | |
| 27487 | O'Hara, Zachary | St Aloysius College Cronulla | Cronulla | Community and Family Studies | Subject rank | 8 |
| 27488 | O'Hare, Elouise | Glenmore Park High School | Glenmore Park | Electrotechnology Examination | DA | |
| 27489 | O'Kane, Charles | St Josephs College Hunters Hill | Hunters Hill | Visual Arts | DA | |
| 27490 | O'Kane, Jeremy | Marcellin College | Randwick | Mathematics Extension 1 | DA | |
| 27491 | O'Kane, Jeremy | Marcellin College | Randwick | Mathematics Extension 2 | DA | |
| 27492 | O'Keefe, Mykenzie | Nowra Anglican College | Bomaderry | Community and Family Studies | DA | |
| 27493 | O'Keefe, Rory | The Scots College | Bellevue Hill | Chemistry | DA | |
| 27494 | O'Keefe, Rory | The Scots College | Bellevue Hill | English Advanced | DA | |
| 27495 | O'Keefe, Rory | The Scots College | Bellevue Hill | English Extension 1 | DA | |
| 27496 | O'Keefe, Rory | The Scots College | Bellevue Hill | English Extension 2 | DA | |
| 27497 | O'Keefe, Rory | The Scots College | Bellevue Hill | Mathematics Extension 1 | DA | |
| 27498 | O'Keefe, Zoe | Canterbury Girls High School | Canterbury | Music 1 | DA | |
| 27499 | O'Leary, Emelia | Brigidine College Randwick | Randwick | Business Studies | DA | |
| 27500 | O'Leary, Emelia | Brigidine College Randwick | Randwick | Design and Technology | DA | |
| 27501 | O'Leary, Emelia | Brigidine College Randwick | Randwick | English Advanced | DA | |
| 27502 | O'Leary, Emelia | Brigidine College Randwick | Randwick | Studies of Religion II | DA | |
| 27503 | O'Leary, Emelia | Brigidine College Randwick | Randwick | Studies of Religion II | Subject rank | 7 |
| 27504 | O'Leary, Sabine | Northern Beaches Secondary College Freshwater Campus | Freshwater | Biology | DA | |
| 27505 | O'Leary, Sabine | Northern Beaches Secondary College Freshwater Campus | Freshwater | English Advanced | DA | |
| 27506 | O'Leary, Sabine | Northern Beaches Secondary College Freshwater Campus | Freshwater | Visual Arts | DA | |
| 27507 | O'Loghlin, Nina | St Vincents College | Potts Point | Ancient History | DA | |
| 27508 | O'Loghlin, Nina | St Vincents College | Potts Point | English Advanced | DA | |
| 27509 | O'Loghlin, Nina | St Vincents College | Potts Point | Studies of Religion II | DA | |
| 27510 | O'Loghlin, Nina | St Vincents College | Potts Point | Visual Arts | DA | |
| 27511 | O'Loughlin, Eamonn | St Aloysius College | Milsons Point | All-rounder | ||
| 27512 | O'Loughlin, Eamonn | St Aloysius College | Milsons Point | Economics | DA | |
| 27513 | O'Loughlin, Eamonn | St Aloysius College | Milsons Point | English Advanced | DA | |
| 27514 | O'Loughlin, Eamonn | St Aloysius College | Milsons Point | English Extension 1 | DA | |
| 27515 | O'Loughlin, Eamonn | St Aloysius College | Milsons Point | English Extension 2 | DA | |
| 27516 | O'Loughlin, Eamonn | St Aloysius College | Milsons Point | Mathematics Extension 1 | DA | |
| 27517 | O'Loughlin, Eamonn | St Aloysius College | Milsons Point | Mathematics Extension 2 | DA | |