1989 United Jersey Bank Classic
Date	August 14–20
Edition	12th
Category	Category 3
Draw	28S / 16D
Prize money	$200,000
Surface	Hard / outdoor
Location	Mahwah, New Jersey, U.S.
Champions
Singles
Steffi Graf
Doubles
Steffi Graf / Pam Shriver
← 1988 · WTA New Jersey

The 1989 United Jersey Bank Classic was a women's tennis tournament played on outdoor hard courts in Mahwah, New Jersey in the United States that was part of the Category 3 tier of the 1989 WTA Tour. It was the 12th and last edition of the tournament and was held from August 14 through August 20, 1989. First-seeded Steffi Graf won the singles title and earned $40,000 first-prize money.^[1]

Finals

Singles

Steffi Graf defeated Andrea Temesvári 7–5, 6–2

• It was Graf's 10th singles title of the year and the 40th of her career.

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.