| 1998 Heineken Open | |
|---|---|
| Date | 12–18 January |
| Edition | 31st |
| Category | World Series |
| Draw | 32S / 16D |
| Prize money | $315,000 |
| Surface | Hard / outdoor |
| Location | Auckland, New Zealand |
| Venue | ASB Tennis Centre |
| Champions | |
| Singles | |
 Marcelo Ríos[1] | |
| Doubles | |
 Patrick Galbraith /  Brett Steven[2] | |
The 1998 Heineken Open was a men's tennis tournament played on outdoor hard courts in Auckland, New Zealand that was part of the World Series of the 1998 ATP Tour. It was the 31st edition of the tournament and was held from 12 January through 18 January 1998. First-seeded Marcelo Ríos won the singles title.
- ^ "1998 Auckland – Singles draw". Association of Tennis Professionals (ATP).
- ^ "1998 Auckland – Doubles draw". Association of Tennis Professionals (ATP).