The1983–84 Associate Members' Cup was the third staging of a secondary football league tournament, and the first staging ofAssociate Members' Cup. It was a reconstitution of theFootball League Group Cup. The format was changed to a knock-out competition forEnglish football clubs in theThird Division and theFourth Division. Previously it had been an invitation 32-team tournament with a group stage and knock-out competition, with clubs from all 4 levels of the football league. The winners wereBournemouth and the runners-up wereHull City.
The competition began on 20 February 1984 and ended with the final on 24 May 1984 atBoothferry Park, the home stadium of the losing finalists.
In the first round, there were two sections: North and South. In the following rounds each section gradually eliminates teams in knock-out fashion until each has a winning finalist. At this point, the two winning finalists faced each other in the combined final for the honour of the trophy.