| 2001 St. Petersburg Open | |
|---|---|
| Date | 22–28 October |
| Edition | 7th |
| Category | International Series |
| Draw | 32S / 16D |
| Prize money | $775,000 |
| Surface | Hard / indoor |
| Location | St. Petersburg, Russia |
| Venue | Petersburg Sports and Concert Complex |
| Champions | |
| Singles | |
 Marat Safin | |
| Doubles | |
| Denis Golovanov / Yevgeny Kafelnikov | |
The 2001 St. Petersburg Open was a tennis tournament played on indoor hard courts at the Petersburg Sports and Concert Complex in Saint Petersburg in Russia and was part of the International Series of the 2001 ATP Tour. The tournament ran from October 22 through October 28, 2001.