1988 U.S. Women's Hard Court Championships
| 1988 U.S. Women's Hard Court Championships | |
|---|---|
| Date | February 29 – March 5 |
| Edition | 23rd |
| Category | Tier IV |
| Surface | Hard / Outdoor |
| Location | San Antonio, TX, United States |
| Champions | |
| Singles | |
 Steffi Graf | |
| Doubles | |
 Lori McNeil /  Helena Suková | |
The 1988 U.S. Women's Hard Court Championships was a tennis tournament played on outdoor hard courts in San Antonio, Texas in the United States and was part of Tier IV of the 1988 WTA Tour. The tournament ran from February 29 through March 5, 1988.
Winners
Women's Singles
Steffi Graf defeated 
Katerina Maleeva 6–4, 6–1
- It was Graf's 2nd title of the year and the 27th of her career.
Women's Doubles
Lori McNeil / Helena Suková defeated 
Rosalyn Fairbank / Gretchen Magers 6–3, 6–7, 6–2
- It was McNeil's 3rd title of the year and the 14th of her career. It was Suková's 1st title of the year and the 29th of her career.