2003 Western & Southern Financial Group Masters – Doubles

James Blake and Todd Martin were the defending champions but lost in the second round to Wayne Arthurs and Paul Hanley.

Bob Bryan and Mike Bryan won in the final 7–5, 7–6(7–5) against Arthurs and Hanley.

Seeds
All eight seeded teams received byes to the second round.

• # 🇮🇳 Mahesh Bhupathi / 🇧🇾 Max Mirnyi (semifinals)

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

• # Mark Knowles / 🇨🇦 Daniel Nestor (semifinals)

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

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

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

• # 🇦🇺 Wayne Arthurs / 🇦🇺 Paul Hanley (final)

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