The 2017 Kremlin Cup (also known as the 2017 VTB Kremlin Cup for sponsorship reasons) was a tennis tournament played on indoor hard courts.

It was the 28th edition of the Kremlin Cup for the men and the 22nd edition for the women.

The tournament was part of the ATP World Tour 250 Series of the 2017 ATP World Tour, and of the Premier Series of the 2017 WTA Tour.

It was held at the Olympic Stadium in Moscow, Russia, from 16 October through 22 October 2017.

The following players received wildcards into the singles main draw: The following players received entry using a protected ranking into the singles main draw: The following players received entry from the qualifying draw: The following player received entry as a lucky loser: 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 a wildcard into the doubles main draw: