1979–80 European Cup
The 1979–80 European Cup was the 25th season of the European Cup, UEFA's premier club football competition. The tournament was won by holders Nottingham Forest in the final against Hamburg. The winning goal was scored by John Robertson, who drilled the ball into the corner of the Hamburg net from outside the penalty area. Nottingham Forest remain the only side to have won the European Cup more times than their domestic top flight.
Preliminary round
Second leg
''Dundalk won 3–1 on aggregate.''First round
First leg
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Second leg
Nottingham Forest won 3–1 on aggregate.----
Argeș Pitești won 3–2 on aggregate.
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BFC Dynamo won 4–1 on aggregate.
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Servette won 4–2 on aggregate.
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Dukla Prague won 4–3 on aggregate.
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Strasbourg won 6–1 on aggregate.
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Ajax won 16–2 on aggregate.
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Omonia won 7–3 on aggregate.
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Celtic won 4–2 on aggregate.
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Dundalk won 2–1 on aggregate.
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Porto won 1–0 on aggregate.
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Real Madrid won 3–0 on aggregate.
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Hamburg won 5–1 on aggregate.
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Dinamo Tbilisi won 4–2 on aggregate.
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Vejle won 4–3 on aggregate.
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''Hajduk Split won 2–0 on aggregate.''
Second round
First leg
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Second leg
Nottingham Forest won 4–1 on aggregate.----
BFC Dynamo won 4–3 on aggregate.
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Strasbourg won 2–1 on aggregate.
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Ajax won 10–4 on aggregate.
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Celtic won 3–2 on aggregate.
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2–2 on aggregate; Real Madrid won on away goals.
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Hamburg won 6–3 on aggregate.
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''Hajduk Split won 4–2 on aggregate.''
Quarter-finals
First leg
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Second leg
Nottingham Forest won 3–2 on aggregate.----
Ajax won 4–0 on aggregate.
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Real Madrid won 3–2 on aggregate.
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''3–3 on aggregate; Hamburg won on away goals.''
Semi-finals
First leg
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Nottingham Forest won 2–1 on aggregate.----
''Hamburg won 5–3 on aggregate.''
Top scorers
The top scorers from the 1979–80 European Cup are as follows:| Rank | Name | Team | Goals |
| 1 |  |