The 2004 Acura Classic was a tennis tournament played on outdoor hard courts in San Diego in the United States. It was part of Tier I of the 2004 WTA Tour. The tournament was held from July 26 through August 1, 2004.
Lindsay Davenport def. Anastasia Myskina 6–1, 6–1
- It was Davenport's 5th title of the year and the 78th of her career.
Cara Black / Rennae Stubbs def. Virginia Ruano Pascual / Paola Suárez 4–6, 6–1, 6–4
- It was Black's 5th title of the year and the 34th of her career. It was Stubbs's 4th title of the year and the 46th of her career.