The 2020 Canterbury Cup NSW was the twelfth season of the New South Wales Cup, the top rugby league competition administered by the New South Wales Rugby League. The competition acts as a second-tier league to the ten New South Wales-based National Rugby League clubs, as well the Canberra Raiders and New Zealand Warriors. The competition will consist of 24 regular season rounds that will begin on 14 March and end on 30 August, they will be followed by 4 playoff rounds beginning on 5 September and ending with the grand final on 27 September. Newtown Jets are the defending premiers. On 27 March 2020 the New South Wales Rugby League opted to cancel the remainder of the season because of the COVID-19 pandemic.
| 2020 Canterbury Cup NSW | |
|---|---|
| Duration | Cancelled |
| Teams | 12 |
| Broadcast partners | Fox League Nine Network |