The 2017 New South Wales Cup season was the tenth season of the New South Wales Cup administered by the New South Wales Rugby League, and the second known as the Intrust Super Premiership NSW due sponsorship reasons. 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 winner of the Premiership will compete against the winner of the 2017 Queensland Cup in the . Illawarra RLFC are the defending champions, following their 21–20 victory against the Mounties in the 2016 grand final.