The 2012 Kremlin Cup was a tennis tournament played on indoor hard courts.

It was the 23rd edition of the Kremlin Cup for the men (17th edition for the women) and was part of the ATP World Tour 250 Series of the 2012 ATP World Tour, and of the Premier Series of the 2012 WTA Tour.

It was held at the Olympic Stadium in Moscow, Russia, from 13 October through 21 October 2012.

Andreas Seppi and Caroline Wozniacki won the singles title.

The following players received wildcards into the singles main draw: The following players received entry from the qualifying draw: The following pairs received wildcards into the doubles main draw: The following players received wildcards into the singles main draw: The following players received entry from the qualifying draw: The following pair received wildcard into the doubles main draw: