| Final score 6–2, 6–1 Doubles men | Singles men mixed boys | |
| Champions Venus Williams
 Justin Gimelstob Runners-up Helena Suková
 Cyril Suk | ||
Manon Bollegraf and Rick Leach were the defending champions but lost in the first round to Kristine Kunce and Jim Grabb.
Venus Williams and Justin Gimelstob won in the final 6–2, 6–1 against Helena Suková and Cyril Suk.
References
1998 Australian Open – Mixed Doubles Wikipedia(Text) CC BY-SA
