The 1989 Copa Interamericana was the 12th. edition of the Copa Interamericana. The final was contested by Colombian club Atlético Nacional (champion of 1989 Copa Libertadores) and Mexican club Club Universidad Nacional (mostly known as "UNAM", winner of 1989 CONCACAF Champions' Cup). The final was played under a two-leg format in JulyâÂÂAugust 1990.
The first leg was held in Atanasio Girardot Stadium in MedellÃÂn, where Atlético beat UNAM 2âÂÂ0. The second leg was played at Estadio OlÃÂmpico Universitario in Mexico City, where Atlético easily defeat the Pumas with a conclusive 4âÂÂ1. Thus, the Colombian side won their first Copa Interamericana trophy.