2004 AIG Japan Open Tennis Championships – Women's doubles

Maria Sharapova and Tamarine Tanasugarn were the defending champions, but decided to focus on the singles tournament only. Sharapova would eventually win the title.

Shinobu Asagoe and Katarina Srebotnik won the title by defeating Jennifer Hopkins and Mashona Washington 6–1, 6–4 in the final.

Seeds
• # 🇯🇵 Shinobu Asagoe / Katarina Srebotnik (champions)

• # 🇻🇪 Milagros Sequera / 🇺🇸 Abigail Spears (first round)

• # 🇺🇸 Jill Craybas / 🇩🇪 Marlene Weingärtner (withdrew)

• # 🇦🇺 Bryanne Stewart / 🇦🇺 Samantha Stosur (semifinals)

• # 🇺🇸 Jennifer Hopkins / 🇺🇸 Mashona Washington (final)