1998 Australian Open – Mixed doubles

Venus Williams and Justin Gimelstob defeated Helena Suková and Cyril Suk in the final, 6–2, 6–1 to win the Mixed Doubles title at the 1998 Australian Open.

Manon Bollegraf and Rick Leach were the defending champions, but lost in the first round to Kristine Kunce and Jim Grabb.

Seeds
• # n.a

• # Manon Bollegraf / 🇺🇸 Rick Leach (first round)

• # 🇺🇸 Lisa Raymond / 🇺🇸 Patrick Galbraith (quarterfinals)

• # Caroline Vis / 🇮🇳 Mahesh Bhupathi (semifinals)

• # 🇨🇿 Helena Suková / 🇨🇿 Cyril Suk (final)

• # 🇺🇸 Katrina Adams / Ellis Ferreira (first round)

• # Larisa Neiland /  David Adams (second round)

• # 🇦🇷 Patricia Tarabini / 🇦🇷 Daniel Orsanic (first round)