The 1998 ASB Classic was a women's tennis tournament played on outdoor hard courts at the ASB Tennis Centre in Auckland in New Zealand that was part of Tier IV of the 1998 WTA Tour. The tournament was held from 5 January until 10 January 1998. Third-seeded Dominique Van Roost won the singles title and earned $17,700 first-prize money.
|1998 ASB Classic|
|Date||5 – 10 January|
|Draw||32S / 16D|
|Surface||Hard (Rebound Ace) / Outdoor|
|Location||Auckland, New Zealand|
|Venue||ASB Tennis Centre|
|Dominique Van Roost|
| Nana Miyagi |
- It was Van Roost's 1st title of the year and the 6th of her career.
- It was Miyagi's 1st title of the year and the 8th of her career. It was Tanasugarn's only title of the year and the 1st of her career.
|Event||W||F||SF||QF||Round of 16||Round of 32|
- 1998 Heineken Open – men's tournament