| Tourney Name: | European Cup |
| Year: | 1977–78 |
| Size: | 275px |
| Dates: | 19 August 1977 – 10 May 1978 |
| Num Teams: | 31 |
| Champion Other: | Liverpool |
| Count: | 2 |
| Second Other: |  Brugge |
| Matches: | 59 |
| Goals: | 162 |
| Attendance: | 1787690 |
| Top Scorer: | Allan Simonsen (Borussia Mönchengladbach) 5 goals |
| Prevseason: | 1976–77 |
| Nextseason: | 1978–79 |
The 1977–78 season of the European Cup football club tournament was won by defending champions Liverpool in the final against Club Brugge. The match finished 1–0, starting a run of six consecutive finals that finished 1–0 after 90 minutes, five of them won by English clubs.
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Celtic won 11–1 on aggregate.----Wacker won 3–2 on aggregate.----Red Star Belgrade won 6–0 on aggregate.----Borussia Mönchengladbach won 4–1 on aggregate.----0–0 on aggregate; Benfica won on penalties.----Boldklubben 1903 won 2–1 on aggregate.----Dynamo Dresden won 3–2 on aggregate.----Levski-Spartak won 5–2 on aggregate.----Ajax won 4–2 on aggregate.----Glentoran won 2–1 on aggregate.----Juventus won 5–0 on aggregate.----Club Brugge won 9–2 on aggregate.----Panathinaikos won 5–1 on aggregate.----1–1 on aggregate; Nantes won on away goals.----Atlético Madrid won 3–2 on aggregate.
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Wacker won 4–2 on aggregate.----Borussia Mönchengladbach won 8–1 on aggregate.----Benfica won 2–0 on aggregate.----Liverpool won 6–3 on aggregate.----Ajax won 4–2 on aggregate.----Juventus won 6–0 on aggregate.----Club Brugge won 2–1 on aggregate.----Atlético Madrid won 3–2 on aggregate.
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3–3 on aggregate; Borussia Mönchengladbach won on away goals.----Liverpool won 6–2 on aggregate.----2–2 on aggregate; Juventus won 3–0 on penalties.----Club Brugge won 4–3 on aggregate.
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Liverpool won 4–2 on aggregate.----Club Brugge won 2–1 on aggregate.
See main article: 1978 European Cup Final.
