1980–81 League Cup (rugby league)

This was the tenth season for rugby league's League Cup competition. It was again known as the John Player Trophy for sponsorship purposes. Warrington won the final, beating Barrow by the score of 12-5 at Central Park, Wigan in front of a crowd of 12,802. The gate receipts were £21020.

1980–81 League Cup (rugby league)

This was the tenth season for rugby league's League Cup competition. It was again known as the John Player Trophy for sponsorship purposes. Warrington won the final, beating Barrow by the score of 12-5 at Central Park, Wigan in front of a crowd of 12,802. The gate receipts were £21020.