1989 United Jersey Bank Classic
| 1989 United Jersey Bank Classic | |
|---|---|
| Date | August 14 – August 20 |
| Edition | 12th |
| Champions | |
| Singles | |
 Steffi Graf | |
| Doubles | |
Steffi Graf /  Pam Shriver | |
The 1989 United Jersey Bank Classic was a tennis tournament played on outdoor hard courts in Mahwah, New Jersey in the United States that was part of Tier IV of the 1989 WTA Tour. The tournament was held from August 14 through August 20, 1989.
Winners
Women's Singles
Steffi Graf defeated 
Andrea Temesvári 7–5, 6–2
- It was Graf's 10th title of the year and the 48th of her career.
Women's Doubles
Steffi Graf / Pam Shriver defeated Louise Allen / 
Laura Gildemeister 6–2, 6–4
- It was Graf's 11th title of the year and the 49th of her career. It was Shriver's 6th title of the year and the 122nd of her career.