1981 Copa Libertadores
The 1981 Copa Libertadores was won by Flamengo of Brazil, who beat Cobreloa of Chile in the finals.
Group stage
received a bye to the second round as 1980 title holders.Group 1
Group 2
Group 3
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Group 4
| First-place play-off match | Score |
 The Strongest | 1 |
| Jorge Wilstermann | 4 |
Group 5
Semi-finals
Group A
Group B
Finals
Man of the Match:Assistant referees:
- Juan Cardelino
- Ramón Barreto