The1990 Copa Libertadores finals was the two-legged final to decide the winners of the1990 Copa Libertadores, the 31st edition of theCopa Libertadores, South America's premier international clubfootball tournament organised byCONMEBOL.
The final was planned to be played on a home-and-awaytwo-legged basis. The team that accumulated the most points – two for a win, one for a draw, zero for a loss – after the two legs was crowned champion. If the two teams had tied on points after the second leg,extra time would not be played, and apenalty shoot-out would be used to determine the winner.