Yevgeny Kafelnikov and Sargis Sargsian were the defending champions, but did not compete this year, with Kafelnikov retired at the end of the 2003 season.
Chris Haggard and Robbie Koenig won the title, defeating Travis Parrott and Dmitry Tursunov 7–6(7–3), 6–1 in the final. It was the 1st and only title in the year for the pair, and the 5th title for Haggard and 5th and final title for Koenig, in their respective careers.
Paul Haarhuis and Yevgeny Kafelnikov were defending champions, but they lost in the final to third seeds Bob and Mike Bryan, who won the first Grand Slam title of their careers.
Jonas Björkman and Todd Woodbridge successfully defended their title, defeating Mahesh Bhupathi and Max Mirnyi in the final, 3–6, 6–3, 7–6(7–4), 6–3, to win the gentlemen's doubles title at the 2003 Wimbledon Championships
Mark Knowles and Daniel Nestor were the defending champions, but lost in the final to Michaël Llodra and Fabrice Santoro.
Wayne Black and Kevin Ullyett were the defending champions but lost in the second round to Xavier Malisse and André Sá.
Ellis Ferreira and Rick Leach were the defending champions but did not compete that year.
Wayne Ferreira and Yevgeny Kafelnikov were the defending champions but lost in the first round to Scott Humphries and Andrei Olhovskiy.
Jiří Novák and David Rikl were the defending champions but lost in the second round to Tomás Carbonell and Nicolás Lapentti.
Paul Haarhuis and Sjeng Schalken were the defending champions but only Haarhuis competed that year with John van Lottum.
Stephen Huss and Myles Wakefield were the defending champions but did not compete that year.
Michael Hill and Daniel Vacek were the defending champions but did not compete that year.
Wayne Black and Kevin Ullyett were the defending champions but lost in the first round to Yevgeny Kafelnikov and Sargis Sargsian.
Mahesh Bhupathi and Mike Bryan were the defending champions but did not compete that year.
Nicklas Kulti was the defending champion, but lost in the second round this year.
Mark Knowles and Daniel Nestor were the defending champions, but lost in the second round this year.
Mahesh Bhupathi and Max Mirnyi were the defending champions, but lost in the quarterfinals to Michaël Llodra and Fabrice Santoro.
Wayne Black and Kevin Ullyett were the defending champions, but lost in the quarterfinals to Mahesh Bhupati and Max Mirnyi.
Ellis Ferreira and Rick Leach were the defending champions, but Leach did not participate. Ferreira paired with David Rikl but lost in the second round to Arnaud Clément and Sébastien Grosjean.
Olivier Delaître and Fabrice Santoro were the defending champions, but both players decided to rest after competing in the quarterfinals of the Davis Cup. However, Santoro competed in the singles tournament, losing in first round to Jiří Novák.
Olivier Delaître and Fabrice Santoro were the defending champions, but lost in the first round to Martin Damm and Robbie Koenig.
Simon Aspelin and Massimo Bertolini were the defending champions and competed with different partners this year, but were both eliminated by Mahesh Bhupathi and Jonas Björkman. Aspelin lost in the final, while Bertolini was eliminated at the quarterfinals.
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Chris Haggard 
Travis Parrott 
Dmitry Tursunov 
