The 1989 Nutri-Metics Open was a women's tennis tournament played on outdoor hard courts at the ASB Tennis Centre in Auckland in New Zealand and was part of the Category 1 tier of the 1989 WTA Tour.

The tournament ran from 30 January through 5 February 1989.

First-seeded Patty Fendick won the singles title.

Patty Fendick defeated Belinda Cordwell 6–2, 6–0 Patty Fendick / Jill Hetherington defeated Elizabeth Smylie / Janine Thompson 6–4, 6–4