1989–90 Segunda División

The 1989–90 Segunda División season saw 20 teams participate in the second flight Spanish league. Real Burgos, Real Betis and RCD Español were promoted to Primera División. Racing de Santander, Castilla CF, Recreativo de Huelva and Atlético Madrileño were relegated to Segunda División B.

1989–90 Segunda División

The 1989–90 Segunda División season saw 20 teams participate in the second flight Spanish league. Real Burgos, Real Betis and RCD Español were promoted to Primera División. Racing de Santander, Castilla CF, Recreativo de Huelva and Atlético Madrileño were relegated to Segunda División B.