| Tournament details | |
|---|---|
| Dates | June 29 – October 26 |
| Teams | 21 (from 10 associations) |
| Final positions | |
| Champions |  Nacional (3rd title) |
| Runners-up |  Newell's Old Boys |
| Tournament statistics | |
| Matches played | 83 |
| Goals scored | 170 (2.05 per match) |
| Top scorer(s) |  Arnoldo Iguarán (5) |
← 1987 1989 → | |
The 1988 Copa Libertadores de América was the 29th edition of the Copa Libertadores, South America's premier international club football tournament organized by CONMEBOL. This season's defending champion Peñarol of Uruguay entered the tournament in the third stage, where they were defeated by San Lorenzo of Argentina. In the finals, Nacional defeated Newell's Old Boys for their third title.