1989–90 Japan Soccer League

First Division

Nissan won a second title, spurred by increasing links between the team, its parent company and their hometown, Yokohama. Fujita Industries and Hitachi were relegated.

Contents

• First Division
• Second Division
• References

Second Division

Fallen giant Mitsubishi and struggler Toyota Motors returned to the top flight. Mazda Auto Hiroshima, who had been put as an A-squad to rival its parent company, and Teijin went back to their regional leagues (Chugoku and Shikoku, respectively).