1971 Copa Libertadores
The Copa Libertadores 1971 was the 12th edition of the Copa Libertadores, CONMEBOL's annual international club tournament. Nacional won the competition.
The participating teams were divided into five groups, in which teams of the same country were placed in the same group. Each country was represented by two teams. The countries were paired as follows:
Group 1
Group 2
| Teams | PTS | PJ | PG | PE | PP | GF | GC | GD |
| Nacional | 11 | 6 | 5 | 1 | 0 | 14 | 2 | 12 |
| Peñarol | 7 | 6 | 3 | 1 | 2 | 14 | 6 | 8 |
| Chaco Petrolero | 3 | 6 | 1 | 1 | 4 | 5 | 9 | -4 |
| The Strongest | 3 | 6 | 1 | 1 | 4 | 5 | 21 | -16 |
Group 3
| Teams | PTS | PJ | PG | PE | PP | GF | GC | GD |
| Palmeiras | 10 | 6 | 5 | 0 | 1 | 13 | 5 | 8 |
| Fluminense | 8 | 6 | 4 | 0 | 2 | 16 | 6 | 10 |
| Deportivo Italia | 5 | 6 | 2 | 1 | 3 | 7 | 15 | -8 |
| Galicia | 1 | 6 | 0 | 1 | 5 | 9 | 19 | -10 |
Group 4
| Teams | PTS | PJ | PG | PE | PP | GF | GC | GD |
| Unión Española | 7 | 6 | 2 | 3 | 1 | 7 | 6 | 1 |
| Colo-Colo | 6 | 6 | 2 | 2 | 2 | 6 | 7 | -1 |
| Cerro Porteño | 6 | 6 | 1 | 4 | 1 | 5 | 5 | 0 |
| Guaraní | 5 | 6 | 1 | 3 | 2 | 9 | 9 | 0 |
Group 5
| Teams | PTS | PJ | PG | PE | PP | GF | GC | GD |
| Barcelona | 7 | 6 | 3 | 1 | 2 | 8 | 6 | 2 |
| Emelec | 7 | 6 | 2 | 3 | 1 | 6 | 4 | 2 |
| Deportivo Cali | 6 | 6 | 3 | 0 | 3 | 8 | 7 | 1 |
| Junior | 4 | 6 | 1 | 2 | 3 | 4 | 9 | -5 |
Second phase
Group 1
| Teams | PTS | PJ | PG | PE | PP | GF | GC | GD |
| Nacional | 7 | 4 | 3 | 1 | 0 | 9 | 1 | 8 |
| Palmeiras | 4 | 4 | 2 | 0 | 2 | 6 | 7 | -1 |
| Universitario | 1 | 4 | 0 | 1 | 3 | 1 | 8 | -7 |
Group 2
| Teams | PTS | PJ | PG | PE | PP | GF | GC | GD |
| Estudiantes | 6 | 4 | 3 | 0 | 1 | 4 | 2 | 2 |
| Barcelona | 4 | 4 | 2 | 0 | 2 | 3 | 4 | -1 |
| Unión Española | 2 | 4 | 1 | 0 | 3 | 4 | 5 | -1 |
Finals
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Replay match at Estadio Nacional Champion
