| 2009 Kremlin Cup | |
|---|---|
| Date | 17–25 October | 
| Edition | 20th (men) / 14th (women) | 
| Surface | Hard / indoor | 
| Location | Moscow, Russia | 
| Venue | Olympic Stadium | 
| Champions | |
| Men's singles | |
|   | |
| Women's singles | |
|   | |
| Men's doubles | |
|   | |
| Women's doubles | |
|   | |
The 2009 Kremlin Cup was a tennis tournament played on indoor hard courts. It was the 19th edition of the Kremlin Cup, and was part of the ATP World Tour 250 Series of the 2009 ATP World Tour, and of the Premier Series of the 2009 WTA Tour. It was held at the Olympic Stadium in Moscow, Russia, from 17 October through 25 October 2009.
| Country | Player | Rank1 | Seed | 
|---|---|---|---|
| Nikolay Davydenko | 8 | 1 | |
| Victor Hănescu | 27 | 2 | |
| Mikhail Youzhny | 32 | 3 | |
| Igor Andreev | 40 | 4 | |
| Pablo Cuevas | 45 | 5 | |
| Janko Tipsarević | 46 | 6 | |
| Fabrice Santoro | 49 | 7 | |
| Martín Vassallo Argüello | 52 | 8 | 
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
| Country | Player | Rank1 | Seed | 
|---|---|---|---|
| Vera Zvonareva | 7 | 1 | |
| Jelena Janković | 9 | 2 | |
| Agnieszka Radwańska | 10 | 3 | |
| Flavia Pennetta | 11 | 4 | |
| Nadia Petrova | 17 | 5 | |
| Elena Vesnina | 22 | 6 | |
| Dominika Cibulková | 25 | 7 | |
| Francesca Schiavone | 26 | 8 | |
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
 
  Mikhail Youzhny defeated  
  Janko Tipsarević, 6–7(5–7), 6–0, 6–4
 
  Francesca Schiavone defeated  
  Olga Govortsova, 6–3, 6–0
 
  Pablo Cuevas /  
  Marcel Granollers defeated  
  František Čermák /  
  Michal Mertiňák, 4–6, 7–5, [10–8]
 
  Maria Kirilenko /  
  Nadia Petrova defeated  
  Maria Kondratieva /  
  Klára Zakopalová, 6–2, 6–2