2009 Bank of the West Classic – Doubles
Introduction Cara Black and Liezel Huber were the defending champions, but lost in the quarterfinals to Yung-Jan Chan and Monica Niculescu.Serena Williams and Venus Williams won in the final, 6–4, 6–1, against Yung-Jan Chan and Monica Niculescu.
Seeds #  Cara Black /  Liezel Huber ''(quarterfinals)''#  '''Serena Williams''' /  '''Venus Williams''' '''(champions)'''#  Bethanie Mattek-Sands /  Nadia Petrova ''(semifinals)''#  Sorana Cîrstea /  Maria Kirilenko ''(semifinals)''
Draw === Draw ===