1988 Northern California Open
 |
| 1988 Northern California Open | |
|---|---|
| Date | July 25 – July 31 |
| Edition | 3rd |
| Champions | |
| Singles | |
 Sara Gomer | |
| Doubles | |
 Lise Gregory /  Ronni Reis | |
The 1988 Northern California Open was a tennis tournament played on outdoor hard courts in Aptos, California in the United States and was part of Tier V of the 1988 WTA Tour. The tournament ran from July 25 through July 31, 1988.
Winners
Women's Singles
Sara Gomer defeated Robin White 6–4, 7–5
- It was Gomer's only title of the year and the 1st of her career.
Women's Doubles
Lise Gregory / Ronni Reis defeated Patty Fendick / 
Jill Hetherington 6–3, 6–4
- It was Gregory's only title of the year and the 2nd of her career. It was Reis' only title of the year and the 3rd of her career.