The 1989-90 Argentine Primera División was the 99th season of top-flight football in Argentina.

[1] This tournament introduced was the last played under the double round-robin system.

Since the following season, the "Apertura and Clausura format would be introduced, crowning two different champions within a year.

[2] River Plate won the championship (22nd league title) while Instituto (C)Racing (C) were relegated.

Boca Juniors won the Liguilla pre-Libertadores after beating Independiente, therefore qualifying to the 1991 edition.