1983–84 John Player Special Trophy

1983–84 John Player Special Trophy
StructureNational knockout championship
Teams18
WinnersLeeds
Runners-upWidnes

This was the thirteenth season of the rugby league League Cup, which was this season known as the John Player Special Trophy for sponsorship reasons.

Leeds won the trophy, beating Widnes by the score of 18-10 in the final. The match was played at Central Park, Wigan and the attendance was 9,510. The gate receipts were £19824.