Gisela Dulko and Maria Kirilenko were the defending champions, but Kirilenko did not compete this year to only focusing in the singles tournament. Dulko teamed up with Yan Zi and had to withdraw in the quarterfinal match against Natalie Grandin and Camille Pin.
| Women's doubles | |
|---|---|
| 2006 AIG Japan Open Tennis Championships | |
| Champions |  Vania King Jelena Kostanić |
| Runners-up |  Chan Yung-jan Chuang Chia-jung |
| Score | 7–6(7–2), 5–7, 6–2 |
Vania King and Jelena Kostanić won the title by defeating Chan Yung-jan and Chuang Chia-jung 7–6(7–2), 5–7, 6–2 in the final.
Seeds edit
Virginia Ruano Pascual / 
Paola Suárez (semifinals, withdrew due to a right calf strain on Suárez)- Gisela Dulko /
Yan Zi (quarterfinals, withdrew) 
Eleni Daniilidou/ Anabel Medina Garrigues(withdrew due to a left calf strain on Daniilidou)
Alicia Molik/
Meghann Shaughnessy(withdrew due to a respiratory illness on Shaughnessy)
Draw edit
Key edit
- Q = Qualifier
- WC = Wild card
- LL = Lucky loser
- Alt = Alternate
- SE = Special exempt
- PR = Protected ranking
- ITF = ITF entry
- JE = Junior exempt
- w/o = Walkover
- r = Retired
- d = Defaulted
- SR = Special ranking
Draw edit
| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 |  V Ruano Pascual P Suárez
| 6 | 6 | ||||||||||||||||||||||||
 A Morigami A Nakamura
| 2 | 2 | 1 | V Ruano Pascual P Suárez
| 3 | 7 | 6 | ||||||||||||||||||||
 M Domachowska A Jidkova
| 6 | 6 | M Domachowska A Jidkova
| 6 | 5 | 0 | |||||||||||||||||||||
| K Taguchi A Takase
| 3 | 3 | 1 | V Ruano Pascual P Suárez
| |||||||||||||||||||||||
| LL | K Iijima J Namigata
| 1 | 6 | 1 | Y-j Chan C-j Chuang
| w/o | |||||||||||||||||||||
| Y-j Chan C-j Chuang
| 6 | 3 | 6 | Y-j Chan C-j Chuang
| 6 | 6 | |||||||||||||||||||||
M Díaz Oliva J Schruff
| 6 | 78 | M Díaz Oliva J Schruff
| 3 | 2 | ||||||||||||||||||||||
| Q | A Matic C Wozniacki
| 4 | 66 | Y-j Chan C-j Chuang
| 62 | 7 | 2 | ||||||||||||||||||||
 L Dekmeijere S Uberoi
| 7 | 6 | V King J Kostanić
| 77 | 5 | 6 | |||||||||||||||||||||
 E Laine L Osterloh
| 5 | 4 | L Dekmeijere S Uberoi
| 65 | 2 | ||||||||||||||||||||||
| V King J Kostanić
| 6 | 4 | 6 | V King J Kostanić
| 77 | 6 | |||||||||||||||||||||
| LL | Y Sema M Tanaka
| 3 | 6 | 1 | V King J Kostanić
| 6 | 6 | ||||||||||||||||||||
 N Grandin C Pin
| 7 | 6 | N Grandin C Pin
| 3 | 1 | ||||||||||||||||||||||
| WC | M Arai S Okamoto
| 5 | 2 | N Grandin C Pin
| w/o | ||||||||||||||||||||||
 C Castaño J Craybas
| 3 | 2 | 2 | G Dulko Z Yan
| |||||||||||||||||||||||
| 2 | G Dulko Z Yan
| 6 | 6 | ||||||||||||||||||||||||
Qualifying draw edit
Seeds edit
Kumiko Iijima / Junri Namigata (first round, lucky losers)
Antonia Matic / 
Caroline Wozniacki (qualified)
Qualifiers edit
Lucky losers edit
Draw edit
| First round | Qualifying competition | ||||||||||
| 1 | Kumiko Iijima Junri Namigata
| 3 | |||||||||
 Raluca Olaru Abigail Spears
| 8 | ||||||||||
| Raluca Olaru Abigail Spears
| |||||||||||
| 2 | Antonia Matic Caroline Wozniacki
| w/o | |||||||||
| WC | Yurika Sema Mari Tanaka
| 3 | |||||||||
| 2 | Antonia Matic Caroline Wozniacki
| 8 | |||||||||
Raluca Olaru and Abigail Spears withdrew from the qualifying competition, with Spears citing personal reasons.