The 1963–64 European Cup was the ninth season of the European Cup, UEFA's premier club football tournament. The competition was won by Inter Milan, who beat Real Madrid 3–1 in the final at Praterstadion, Vienna, on 27 May 1964. Inter's triumph ensured that Italy became the first country and Milan became the first city with two competition winners. AC Milan were the defending champions, but were eliminated by Real Madrid in the quarter-finals. Cyprus entered its champion for the first time this season.

Teams

A total of 31 teams participated in the competition. Italy were represented by two clubs, with Milan qualifying as title holders and Inter Milan as Italian champions. CSKA Red Flag wasn't participating after spell of seven editions, with only ever-present Real Madrid having more appearances in the competition. Spartak Plovdiv, Anorthosis Famagusta, Motor Jena, Everton, AEK Athens, Ferencváros, Inter Milan, Valletta, Distillery, Lyn, Dundalk and Zürich made their debut in the competition. PSV Eindhoven returned to the tournament for the first time since inaugural edition, while Borussia Dortmund and Jeunesse Esch returned to the competition after six and three years, respectively. All participants were their respective associations champions, except for Milan and Lyn. The latter was leading 1. divisjon at the summer break on 1 July 1963, after 9 of 18 matches had been played, but finished second in autumn of 1963.

Preliminary round

For the first time only title holders Milan received a bye to the first round, due to the number of participating teams. The remaining clubs would play the preliminary round in September and October.

First leg

Second leg

Dinamo București won 3–0 on aggregate. Inter Milan won 1–0 on aggregate. Zürich won 4–2 on aggregate. Dukla Prague won 8–0 on aggregate. Partizan won 6–1 on aggregate. Monaco won 8–3 on aggregate. Górnik Zabrze 1–1 Austria Wien on aggregate; play-off needed. Borussia Dortmund won 7–3 on aggregate. Spartak Plovdiv won 3–2 on aggregate. Benfica won 8–3 on aggregate. IFK Norrköping won 2–1 on aggregate. Real Madrid won 7–0 on aggregate. Jeunesse Esch won 5–4 on aggregate. PSV Eindoven won 11–4 on aggregate. Galatasaray won 4–2 on aggregate.

Play-off

Górnik Zabrze won play-off 2–1.

Bracket

First round

First leg

Second leg

Dukla Prague won 4–3 on aggregate. Zürich 2–2 Galatasaray on aggregate; play-off needed. PSV Eindhoven won 1–0 on aggregate. Partizan won 7–4 on aggregate. Inter Milan won 4–1 on aggregate. Milan won 6–3 on aggregate. Borussia Dortmund won 6–2 on aggregate. Real Madrid won 8–4 on aggregate.

Play-off

''Zürich 2–2 Galatasaray in play-off match. Zürich qualified on a coin toss.''

Quarter-finals

First leg

Second leg

Real Madrid won 4–3 on aggregate. Inter Milan won 4–1 on aggregate. Zürich won 3–2 on aggregate. Borussia Dortmund won 5–3 on aggregate.

Semi-finals

First leg

Second leg

Inter Milan won 4–2 on aggregate. Real Madrid won 8–1 on aggregate.

Final

Top goalscorers

The top scorers from the 1963–64 European Cup (including preliminary round) were as follows: