The 2006 Kremlin Cup was a tennis tournament played on indoor carpet courts. It was the 16th edition of the Kremlin Cup, and was part of the International Series of the 2005 ATP Tour, and of the Tier I Series of the 2005 WTA Tour. It took place at the Olympic Stadium in Moscow, Russia, from 10 October through 16 October 2005.

Finals

Men's singles

🇷🇺 Igor Andreev defeated 🇩🇪 Nicolas Kiefer, 5–7, 7–6(7–3), 6–2

Women's singles

🇫🇷 Mary Pierce defeated 🇮🇹 Francesca Schiavone, 6–4, 6–3

Men's doubles

🇧🇾 Max Mirnyi / 🇷🇺 Mikhail Youzhny defeated 🇷🇺 Igor Andreev / 🇷🇺 Nikolay Davydenko, 5–1, 5–1

Women's doubles

🇺🇸 Lisa Raymond / 🇦🇺 Samantha Stosur defeated Cara Black / 🇦🇺 Rennae Stubbs, 6–2, 6–4