| 1989 Belgian Open | |
|---|---|
| Date | 17–23 July |
| Edition | 3rd |
| Category | Category 2 |
| Draw | 32S / 16D |
| Prize money | $100,000 |
| Surface | Clay / outdoor |
| Location | Brussels, Belgium |
| Champions | |
| Singles | |
 Radka Zrubáková | |
| Doubles | |
 Manon Bollegraf /  Mercedes Paz | |
The 1989 Belgian Open was a women's tennis tournament played on outdoor clay courts in Brussels, Belgium that was part of the Category 2 tier of the 1989 WTA Tour. It was the third edition of the tournament and was held from 17 July until 23 July 1989. Second-seeded Radka Zrubáková won the singles title.
