The 1989 DHL Open was a women's tennis tournament played on outdoor hard courts at the Kallang Tennis Centre in Singapore and was part of the Category 1 tier of the 1989 Virginia Slims World Championship Series.

The tournament took place from 10 April through 16 April 1989.

Second-seeded Belinda Cordwell won the singles title and earned $12,000 first-prize money.

[1][2] Belinda Cordwell defeated Akiko Kijimuta 6–1, 6–0 Belinda Cordwell / Elizabeth Smylie defeated Ann Henricksson / Beth Herr 6–7(6–8), 6–2, 6–1