The 1989 Spanish Open was a women's tennis tournament played on outdoor clay courts at the Real Club de Tenis Barcelona in Barcelona in Spain that was part of the Category 2 tier of the 1989 WTA Tour.

It was the eighth edition of the tournament and was held from 25 April until 30 April 1989.

Second-seeded Arantxa Sánchez won the singles title.

[1] Arantxa Sánchez defeated Helen Kelesi 6–2, 5–7, 6–1 Jana Novotná / Tine Scheuer-Larsen defeated Arantxa Sánchez / Judith Wiesner 6–2, 2–6, 7–6(7–3)