Sun Tiantian and Yan Zi were the defending champions, but Yan chose not to participate, and only Sun competed that year.
Sun partnered with Vania King, but lost in the semifinals to Aiko Nakamura and Ayumi Morita.
| Women's doubles | |
|---|---|
| 2008 AIG Japan Open Tennis Championships | |
| Champions |  Jill Craybas Marina Erakovic |
| Runners-up |  Ayumi Morita Aiko Nakamura |
| Score | 4–6, 7–5, [10–6] |
Jill Craybas and Marina Erakovic won in the final 4–6, 7–5, [10–6], against Aiko Nakamura and Ayumi Morita.
Seeds
Iveta Benešová / 
Shahar Pe'er (first round)
Vania King / 
Sun Tiantian (semifinals)
Chia-jung Chuang / Su-wei Hsieh (first round)
Gisela Dulko / 
Maria Kirilenko (first round, withdrew due to a left hip injury for Kirilenko)
Draw
Key
- 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
| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 |  I Benešová S Pe'er | 1 | 6 | [5] | |||||||||||||||||||||||
| J Namigata A Yonemura | 6 | 4 | [10] | J Namigata A Yonemura | 6 | 65 | [9] | ||||||||||||||||||||
| J Craybas M Erakovic | 6 | 6 | J Craybas M Erakovic | 4 | 7 | [11] | |||||||||||||||||||||
 S Dubois C Fusano | 4 | 2 | J Craybas M Erakovic | 6 | 6 | ||||||||||||||||||||||
| 4 |  G Dulko M Kirilenko | A Pavlyuchenkova Y Wickmayer | 4 | 1 | |||||||||||||||||||||||
| A Pavlyuchenkova Y Wickmayer | w/o | A Pavlyuchenkova Y Wickmayer | 64 | 6 | [15] | ||||||||||||||||||||||
 Y-j Chan M Santangelo | 6 | 7 | Y-j Chan M Santangelo | 7 | 3 | [13] | |||||||||||||||||||||
M Kondratieva S Lefèvre | 1 | 64 | J Craybas M Erakovic | 4 | 7 | [10] | |||||||||||||||||||||
| WC | K Date-Krumm R Fujiwara | 6 | 64 | [10] | A Morita A Nakamura | 6 | 5 | [6] | |||||||||||||||||||
| P Cetkovská L Šafářová | 4 | 7 | [7] | WC | K Date-Krumm R Fujiwara | 2 | 6 | [5] | |||||||||||||||||||
| A Morita A Nakamura | 4 | 6 | [10] | A Morita A Nakamura | 6 | 1 | [10] | ||||||||||||||||||||
| 3 | C-j Chuang S-w Hsieh | 6 | 4 | [6] | A Morita A Nakamura | 7 | 6 | ||||||||||||||||||||
 S Uberoi M Washington | 6 | 6 | 2 | V King T Sun | 5 | 2 | |||||||||||||||||||||
 M Domachowska K Zakopalová | 4 | 4 | S Uberoi M Washington | 3 | 4 | ||||||||||||||||||||||
C-w Chan N Grandin | 2 | 5 | 2 | V King T Sun | 6 | 6 | |||||||||||||||||||||
| 2 | V King T Sun | 6 | 7 | ||||||||||||||||||||||||