| 1998 Australian Open | |
|---|---|
| Date | 19 January – 1 February 1998 | 
| Edition | 86th | 
| Category | Grand Slam (ITF) | 
| Surface | Hardcourt (Rebound Ace) | 
| Location | Melbourne, Australia | 
| Venue | Melbourne Park | 
| Champions | |
| Men's singles | |
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| Women's singles | |
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| Men's doubles | |
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| Women's doubles | |
|   | |
| Mixed doubles | |
|   | |
| Boys' singles | |
|   | |
| Girls' singles | |
|   | |
| Boys' doubles | |
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| Girls' doubles | |
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The 1998 Australian Open was a tennis tournament played on outdoor hard courts at Melbourne Park in Melbourne in Victoria in Australia. It was the 86th edition of the Australian Open and was held from 19 January through 1 February 1998.
 
  Petr Korda  defeated  
  Marcelo Ríos 6–2, 6–2, 6–2
 
  Martina Hingis  defeated  
  Conchita Martínez 6–3, 6–3
 
  Jonas Björkman  /  
  Jacco Eltingh  defeated  
  Todd Woodbridge /  
  Mark Woodforde 6–2, 5–7, 2–6, 6–4, 6–3
 
  Martina Hingis  /  
  Mirjana Lučić  [a]  defeated  
  Lindsay Davenport /  
  Natasha Zvereva 6–4, 2–6, 6–3
 
  Venus Williams  /  
  Justin Gimelstob  defeated  
  Helena Suková /  
  Cyril Suk 6–2, 6–1
 
  Julien Jeanpierre  defeated  
  Andreas Vinciguerra 4–6, 6–4, 6–3
 
  Jelena Kostanić  defeated  
  Wynne Prakusya 6–0, 7–5
 
  Jérôme Haehnel  /  
  Julien Jeanpierre  defeated  
  Mirko Pehar /  
  Lovro Zovko 6–3, 6–3
 
  Evie Dominikovic  /  
  Alicia Molik  defeated  
  Leanne Baker /  
  Rewa Hudson 6–3, 3–6, 6–2