The 1963–64 Football League Cup was the fourth season of the Football League Cup, a knockout competition for England's top 92 football clubs; only 82 of them took part.

[a] The competition began on 4 September 1963 and ended with the two-legged final on 15 and 22 April 1964.

Match dates and results were initially drawn from Soccerbase,[1] and they were later checked against Rothmans Football Yearbook 1970–71.

[2] Of the 82 teams, 46 received a bye to the second round and the other 36 played in the first round; these were the teams ranked 57th–92nd in the 1962–63 Football League.

Leicester City win 4–3 on aggregate.