2009 WTA Tour Championships – Doubles
| Doubles | |
|---|---|
| 2009 WTA Tour Championships | |
| Champions |  Nuria Llagostera Vives María José Martínez Sánchez |
| Runners-up |  Cara Black Liezel Huber |
| Score | 7-6(0), 5-7, [10-7] |
Cara Black and Liezel Huber are the defending champions, but they lost in the final against Nuria Llagostera Vives and María José Martínez Sánchez.
Seeds
Cara Black / 
Liezel Huber (Finals)- Serena Williams / Venus Williams (Semifinals)
Nuria Llagostera Vives / María José Martínez Sánchez (Champions)
Samantha Stosur / Rennae Stubbs (Semifinals)
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
Finals
| Semifinals | Final | ||||||||||||
| 1 | Cara Black Liezel Huber
| 3 | 7 | [10] | |||||||||
| 4 |  Samantha Stosur Rennae Stubbs
| 6 | 63 | [8] | |||||||||
| 1 | Cara Black Liezel Huber
| 60 | 7 | [7] | |||||||||
| 3 | Nuria Llagostera Vives María José Martínez Sánchez
| 7 | 5 | [10] | |||||||||
| 3 | Nuria Llagostera Vives María José Martínez Sánchez
| 2 | 6 | [10] | |||||||||
| 2 | Serena Williams Venus Williams
| 6 | 4 | [8] | |||||||||