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.

The following players received wildcards into the singles main draw: The following players received entry from the qualifying draw: 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