2003 Australian Open – Men's doubles

Mark Knowles and Daniel Nestor were the defending champions, but lost in the final to Michaël Llodra and Fabrice Santoro.

Seeds
• # Mark Knowles / 🇨🇦 Daniel Nestor (final)

• # 🇺🇸 Bob Bryan / 🇺🇸 Mike Bryan (third round)

• # 🇺🇸 Donald Johnson / 🇺🇸 Jared Palmer (quarterfinals)

• # 🇮🇳 Mahesh Bhupathi / 🇦🇺 Joshua Eagle (first round)

• # 🇨🇿 Martin Damm / 🇨🇿 Cyril Suk (third round)

• # Wayne Black /  Kevin Ullyett (third round)

• # 🇷🇺 Yevgeny Kafelnikov / 🇨🇿 Radek Štěpánek (second round)

• # 🇫🇷 Michaël Llodra / 🇫🇷 Fabrice Santoro (champions)

• # 🇮🇳 Leander Paes / 🇨🇿 David Rikl (quarterfinals)

• # David Adams /  Robbie Koenig (second round)

• # 🇩🇪 David Prinosil / Nenad Zimonjić (first round)

• # Jeff Coetzee /  Chris Haggard (semifinals)

• # 🇨🇿 Petr Pála / 🇨🇿 Pavel Vízner (first round)

• # 🇺🇸 Jan-Michael Gambill / 🇺🇸 Graydon Oliver (first round)

• # Ellis Ferreira / 🇺🇸 Brian MacPhie (second round)

• # 🇦🇷 Gastón Etlis / 🇦🇷 Martín Rodríguez (semifinals)