2003 WTA Tour Championships – Doubles
| Doubles | |
|---|---|
| 2003 WTA Tour Championships | |
| Champion |  Virginia Ruano Pascual Paola Suárez |
| Runner-up | .svg.png){kind=small} Kim Clijsters Ai Sugiyama |
| Score | 6–4, 3–6, 6–3 |
| Draw | 8 |
| Seeds | 4 |
Virginia Ruano Pascual and Paola Suárez defeated Kim Clijsters and Ai Sugiyama in the final, 6–4, 3–6, 6–3 to win the doubles tennis title at the 2003 WTA Tour Championships.
Elena Dementieva and Janette Husárová were the reigning champions, but did not qualify this year.
Seeds
- Kim Clijsters / Ai Sugiyama (final)
- Virginia Ruano Pascual / Paola Suárez (champions)
Svetlana Kuznetsova / 
Martina Navratilova (semifinals)
Cara Black / Elena Likhovtseva (semifinals)
Draw
Key
- Q = Qualifier
- WC = Wild card
- LL = Lucky loser
- Alt = Alternate
- ITF = ITF entry
- PR = Protected ranking
- SR = Special ranking
- SE = Special exempt
- JE = Junior exempt
- JR = Junior Accelerator Programme entrant
- CO = College Accelerator Programme entrant
- NG = Next Gen Accelerator Program entrant
- w/o = Walkover
- r = Retired
- d = Defaulted
Finals
| Semifinals | Final | ||||||||||||
| 1 | Kim Clijsters Ai Sugiyama
| 6 | 6 | ||||||||||
| 4 | Cara Black Elena Likhovtseva
| 3 | 4 | ||||||||||
| 1 | Kim Clijsters Ai Sugiyama
| 4 | 6 | 3 | |||||||||
| 2 | Virginia Ruano Pascual Paola Suárez
| 6 | 3 | 6 | |||||||||
| 3 | Svetlana Kuznetsova Martina Navratilova
| 4 | 4 | ||||||||||
| 2 | Virginia Ruano Pascual Paola Suárez
| 6 | 6 | ||||||||||