2003 NASDAQ-100 Open – Men's doubles

Mark Knowles and Daniel Nestor were the defending champions but lost in the quarterfinals to Roger Federer and Max Mirnyi.

Federer and Mirnyi won in the final 7–5, 6–3 against Leander Paes and David Rikl.

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

• # 🇸🇪 Jonas Björkman / 🇦🇺 Todd Woodbridge (quarterfinals)

• # 🇺🇸 Bob Bryan / 🇺🇸 Mike Bryan (semifinals)

• # 🇨🇿 Martin Damm / 🇨🇿 Cyril Suk (quarterfinals)

• # Wayne Black /  Kevin Ullyett (second round)

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

• # Roger Federer / 🇧🇾 Max Mirnyi (champions)

• # 🇨🇿 Tomáš Cibulec / 🇨🇿 Pavel Vízner (quarterfinals)