The 1989 European Open was a women's tennis tournament played on outdoor clay courts at the Drizia-Miremont Tennis Club in Geneva, Switzerland that was part of the Category 2 tier of the 1989 WTA Tour.

The tournament was held from 22 May until 28 May 1989.

Third-seeded Manuela Maleeva won the singles title.

[1][2] Manuela Maleeva defeated Conchita Martínez 6–4, 6–0 Katrina Adams / Lori McNeil defeated Larisa Savchenko / Natasha Zvereva 2–6, 6–3, 6–4