The 1983–84 Associate Members' Cup was the third staging of a secondary football league tournament, and the first staging of Associate Members' Cup. It was a reconstitution of the Football League Group Cup. The format was changed to a knock-out competition for English football clubs in the Third Division and the Fourth 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 were Bournemouth and the runners-up were Hull City.

The competition began on 20 February 1984 and ended with the final on 24 May 1984 at Boothferry 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.

In this round, in each section, the 6 winners and the 2 "lucky losers" progressed to the quarter-finals. Lucky losers are marked with the letters ^LL.