| 1991 Virginia Slims of California | |
|---|---|
| Date | November 4–10 |
| Edition | 20th |
| Category | Tier II |
| Draw | 28S / 16D |
| Prize money | $350,000 |
| Surface | Carpet / indoor |
| Location | Oakland, California, U.S. |
| Venue | Oakland Coliseum Arena |
| Champions | |
| Singles | |
 Martina Navratilova | |
| Doubles | |
| Patty Fendick / Gigi Fernández | |
The 1991 Virginia Slims of California was a women's tennis tournament played on indoor carpet courts at the Oakland Coliseum Arena in Oakland, California in the United States and was part of the Tier II category of the 1991 WTA Tour. It was the 20th edition of the tournament ran from November 4 through November 10, 1991. Second-seeded Martina Navratilova won the singles title and earned $70,000 first-prize money as well as 300 ranking points.[1]
- ^ John Barrett, ed. (1992). The International Tennis Federation World of Tennis 1992. London: CollinsWillow. p. 171. ISBN 9780002184304.