The following table shows all Legislative Assembly electorates to be contested at the 2023 NSW state election, ordered according to two-candidate-preferred margin.
| Coalition Seats | Labor Seats | ||
| Seat | Margin | Seat | Margin |
| East Hills | LIB 0.1% | Kogarah | ALP 0.3% |
| Upper Hunter | NAT 0.6% | Leppington | ALP 1.5% |
| Penrith | LIB 0.6% | Lismore | ALP 1.8% |
| Dubbo | NAT 2.0% vs IND | Heathcote | ALP 2.1% |
| Goulburn | LIB 3.1% | Coogee | ALP 2.1% |
| Tweed | NAT 5.0% | Londonderry | ALP 3.0% |
| Winston Hills | LIB 5.4% | Bega | ALP 5.1% |
| Wollondilly | LIB 6.0% vs IND | The Entrance | ALP 5.2% |
| Riverstone | LIB 6.2% | Strathfield | ALP 5.2% |
| Holsworthy | LIB 6.2% | Port Stephens | ALP 5.8% |
| Parramatta | LIB 6.3% | Gosford | ALP 7.1% |
| Camden | LIB 7.4% | Maroubra | ALP 8.4% |
| Oatley | LIB 7.4% | Prospect | ALP 8.8% |
| Ryde | LIB 9.0% | Granville | ALP 8.8% |
| Myall Lakes | NAT 9.2% | Rockdale | ALP 10.0% |
| Badgerys Creek | LIB 9.7% | Swansea | ALP 10.6% |
| Coffs Harbour | NAT 10.3% vs IND | Cabramatta | ALP 12.0% vs IND |
| South Coast | LIB 10.6% | Charlestown | ALP 13.0% |
| Epping | LIB 10.9% | Wyong | ALP 13.0% |
| North Shore | LIB 11.1% vs IND | Auburn | ALP 13.4% |
| Monaro | NAT 11.6% | Blue Mountains | ALP 13.6% |
| Kiama | LIB 12.0% | Maitland | ALP 14.7% |
| Terrigal | LIB 12.3% | Macquarie Fields | ALP 14.8% |
| Manly | LIB 13.1% vs GRN | Heffron | ALP 15.0% |
| Drummoyne | LIB 13.7% | Canterbury | ALP 15.6% |
| Miranda | LIB 14.2% | Campbelltown | ALP 16.3% |
| Clarence | NAT 14.5% | Fairfield | ALP 16.6% |
| Lane Cove | LIB 14.7% | Blacktown | ALP 16.6% |
| Oxley | NAT 15.4% | Newcastle | ALP 17.6% |
| Albury | LIB 15.9% | Liverpool | ALP 17.6% |
| Hornsby | LIB 16.8% | Keira | ALP 18.3% |
| Hawkesbury | LIB 17.0% | Mount Druitt | ALP 18.4% |
| Bathurst | NAT 17.9% | Shellharbour | ALP 18.6% |
| Wahroonga | LIB 19.1% | Cessnock | ALP 19.8% |
| Cronulla | LIB 19.6% | Bankstown | ALP 20.5% |
| Vaucluse | LIB 19.7% vs GRN | Summer Hill | ALP 21.6% |
| Port Macquarie | NAT 20.1% | Wollongong | ALP 22.4% |
| Tamworth | NAT 20.2% vs IND | Wallsend | ALP 25.9% |
| Willoughby | LIB 20.7% | ||
| Pittwater | LIB 20.8% vs GRN | Murray | SFF 3.5% vs NAT |
| Wakehurst | LIB 21.8% | Ballina | GRN 4.9% vs NAT |
| Castle Hill | LIB 22.4% | Barwon | SFF 6.6% vs NAT |
| Kellyville | LIB 23.0% | Balmain | GRN 10.0% vs ALP |
| Davidson | LIB 25.0% vs GRN | Newtown | GRN 11.5% vs ALP |
| Cootamundra | NAT 26.7% | Sydney | IND 13.7% vs LIB |
| Northern Tablelands | NAT 33.3% | Orange | SFF 15.2% vs NAT |
| Wagga Wagga | IND 15.5% vs NAT | ||
| Lake Macquarie | IND 23.4% vs ALP | ||