The 2011 Bank of the West Classic was a women's tennis tournament played on outdoor hard courts.

It was the 40th edition of the Bank of the West Classic, and was a part of the WTA Premier tournaments of the 2011 WTA Tour.

It took place at the Taube Tennis Center in Stanford, California, United States, from July 26 through July 31, 2011.

Unseeded Serena Williams won the singles title.

The following players received wildcards into the singles main draw The following players received entry from the qualifying draw: Serena Williams defeated Marion Bartoli, 7–5, 6–1 Victoria Azarenka / Maria Kirilenko defeated Liezel Huber / Lisa Raymond, 6–1, 6–3