| 1988 WTA German Open | |
|---|---|
| Date | 9–15 May |
| Edition | 19th |
| Category | Tier I |
| Draw | 56S / 28D |
| Surface | Clay / outdoor |
| Location | West Berlin, West Germany |
| Venue | Rot-Weiss Tennis Club |
| Champions | |
| Singles | |
 Steffi Graf | |
| Doubles | |
 Isabelle Demongeot Nathalie Tauziat | |
The 1988 WTA German Open was a women's tennis tournament played on outdoor clay courts at the Rot-Weiss Tennis Club in West Berlin and was part of Tier I of the 1988 WTA Tour. It was the 19th edition of the tournament and ran from 9 May through 15 May 1988. First-seeded Steffi Graf won the singles title.
