| 2018 Kremlin Cup | |
|---|---|
| Date | 15–21 October |
| Edition | 29th (men) / 23rd (women) |
| Surface | Hard |
| Location | Moscow, Russia |
| Venue | Olympic Stadium |
| Champions | |
| Men's singles | |
 Karen Khachanov | |
| Women's singles | |
| Daria Kasatkina | |
| Men's doubles | |
 Austin Krajicek / Rajeev Ram | |
| Women's doubles | |
Alexandra Panova /  Laura Siegemund | |
The 2018 Kremlin Cup (also known as the 2018 VTB Kremlin Cup for sponsorship reasons) was a tennis tournament played on indoor hard courts. It was the 29th edition of the Kremlin Cup for the men and the 23rd edition for the women. The tournament was part of the ATP World Tour 250 Series of the 2018 ATP World Tour, and of the Premier Series of the 2018 WTA Tour. It was the last tournament for now to be held at the Olympic Stadium in Moscow, Russia, from 15 October through 21 October 2018.[1][2]