2005 AIG Japan Open Tennis Championships – Men's doubles

Jared Palmer and Pavel Vízner were the defending champions, but they chose not to participate.

Satoshi Iwabuchi and Takao Suzuki won the title by defeating Simon Aspelin and Todd Perry 5–4(7–3), 5–4(15–13) in the final.

Seeds
• # 🇦🇺 Wayne Arthurs / 🇦🇺 Paul Hanley (semifinals)

• # 🇸🇪 Simon Aspelin / 🇦🇺 Todd Perry (final)

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

• # 🇦🇺 Stephen Huss / Wesley Moodie (first round)