The 1989 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 1989 WTA Tour. The tournament ran from February 27 through March 5, 1989.
Steffi Graf defeated Ann Henricksson 6–1, 6–4
- It was Graf's 3rd title of the year and the 41st of her career.
Katrina Adams / Pam Shriver defeated Patty Fendick / Jill Hetherington 3–6, 6–1, 6–4
- It was Adams' 2nd title of the year and the 6th of her career. It was Shriver's 4th title of the year and the 120th of her career.