| 2004 Kremlin Cup | |
|---|---|
| Date | 11–17 October |
| Edition | 15th (men) / 9th (women) |
| Location | Moscow, Russia |
| Venue | Olympic Stadium |
| Champions | |
| Men's singles | |
 Nikolay Davydenko | |
| Women's singles | |
| Anastasia Myskina | |
| Men's doubles | |
| Igor Andreev / Nikolay Davydenko | |
| Women's doubles | |
| Anastasia Myskina / Vera Zvonareva | |
The 2004 Kremlin Cup was a tennis tournament played on indoor carpet courts. It was the 14th edition of the Kremlin Cup, and was part of the International Series of the 2004 ATP Tour, and of the Tier I Series of the 2004 WTA Tour. It took place at the Olympic Stadium in Moscow, Russia, from 11 October through 17 October 2004. The tournament ended up with victories by Russian players in both male and female singles/doubles competitions and Elena Dementieva additionally finished runner-up in the women's singles. Anastasia Myskina won the ladies singles and the doubles with Vera Zvonareva.