| 2009 Bank of the West Classic | |
|---|---|
| Date | July 27 – August 2 |
| Edition | 38th |
| Category | WTA Premier tournaments |
| Draw | 32S / 16D |
| Prize money | $700,00 |
| Surface | Hard / outdoor |
| Location | Stanford, California, US |
| Venue | Taube Tennis Center |
| Champions | |
| Singles | |
 Marion Bartoli | |
| Doubles | |
 Serena Williams / Venus Williams | |
The 2009 Bank of the West Classic was a tennis tournament played on outdoor hard courts. It was the 38th edition of the Bank of the West Classic, and was part of the WTA Premier tournaments of the 2009 WTA Tour. It took place at the Taube Tennis Center in Stanford, California, United States, from July 27 through August 2, 2009. It was the first women's event on the 2009 US Open Series.