| 1990 Supercopa Libertadores Finals | |
| Team1score: | 3 |
| Team2: | Olimpia |
| Team2score: | 6 |
| Details: | (on aggregate) |
| Firstleg: | First leg |
| Team1score1: | 0 |
| Team2score1: | 3 |
| Date1: | January 5, 1991 |
| Stadium1: | Estadio Centenario |
| City1: | Montevideo |
| Referee1: | José R. Wright (Brazil) |
| Secondleg: | Second leg |
| Team1score2: | 3 |
| Team2score2: | 3 |
| Date2: | January 11, 1991 |
| Stadium2: | Defensores del Chaco |
| City2: | Asunción |
| Referee2: | Juan C. Loustau (Argentina) |
| Previous: | 1989 |
| Next: | 1991 |
The 1990 Supercopa Libertadores Finals was a two-legged football series to determine the winner of the 1990 Supercopa Libertadores, played in January 1991. The finals were contested by Paraguayan Club Olimpia and Uruguayan Club Nacional de Football.
In the first leg, held in Estadio Centenario in Montevideo, Olimpia easily defeated Nacional 3–0. The second leg was held in Estadio Defensores del Chaco in Asunción, where both teams tied 3–3. Therefore, Olimpia won the series 3–1 on points (6–3 on aggregate), achieving their first Supercopa Libertadores trophy.[1] [2] [3]
| Team | Previous finals app. | |
|---|---|---|
| None | ||
| None |
Note: In all scores below, the score of the home team is given first.
| Olimpia | Round | Nacional | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| width=25% | Opponent | width=10% | Venue | width=10% | Score | width=10% | width=25% | Opponent | width=10% | Venue | width=10% | Score | |
 River Plate(tied 3–3 on aggregate, won on penalties) | Away | 3–0 | First round | Independiente (won 3–2 on aggregate) | Away | 1–1 | |||||||
| Home | 3–0 (4–3 p) | Home | 2–1 | ||||||||||
| Racing (won 4–1 on aggregate) | Home | 1–1 | Quarter-finals | Argentinos Juniors (won 4–3 on aggregate) | Away | 2–1 | |||||||
| Away | 0–3 | Home | 3–1 | ||||||||||
| Peñarol (won 7–2 on aggregate) | Away | 2–1 | Semi-finals | Estudiantes (tied 0–0 on aggregate, won on penalties) | Away | 0–0 | |||||||
| Home | 6–0 | Home | 0–0 (5–3 p) | ||||||||||
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| GK | 1 | Ever Almeida | ||
| DF | Virginio Cáceres | |||
| DF | Juan Z. Ramírez | |||
| DF | Remigio Fernández (c) | |||
| DF | Silvio Suárez | |||
| MF | Fermín Balbuena | |||
| MF | Jorge Guasch | |||
| MF | 10 | Luis Monzón | ||
| MF | ||||
| FW | 9 | Raúl Amarilla | ||
| FW | Adriano Samaniego | |||
| Substitutions: | ||||
| FW | 21 | Jorge Villalba | ||
| Manager: | ||||
| Luis Cubilla | ||||
| GK | 1 | Jorge Seré | ||
| DF | Sergio Maristán | |||
| DF | Enrique Saravia | |||
| DF | Felipe Revelez (c) | |||
| DF | Gustavo Mozzo | |||
| MF | José E. Peña | |||
| MF | Jorge Cardaccio | |||
| MF | Héctor Morán | |||
| MF | ||||
| FW | Wilson Núñez | |||
| FW | José García | |||
| Substitutions: | ||||
| FW | ||||
| FW | ||||
| Manager: | ||||
| Juan Carlos Blanco | ||||