| Tournament details | |
|---|---|
| Dates | March 3 – July 28 |
| Teams | 21 (from 10 associations) |
| Final positions | |
| Champions |
|
| Runners-up |
|
| Tournament statistics | |
| Matches played | 75 |
| Goals scored | 184 (2.45 per match) |
The Copa Libertadores 1983 was won by Grêmio against C.A. Peñarol.
One team from each group qualified to the semi-finals.
Tiebreak Playoff Match