| 2003 WTA German Open | |
|---|---|
| Date | 5 – 11 May |
| Edition | 34th |
| Category | Tier I |
| Draw | 56S / 28D |
| Prize money | $1,224,000 |
| Surface | Clay / outdoor |
| Location | Berlin, Germany |
| Venue | Rot-Weiss Tennis Club |
| Champions | |
| Singles | |
 Justine Henin-Hardenne | |
| Doubles | |
 Virginia Ruano /  Paola Suárez | |
The 2003 MasterCard German Open was a women's tennis event that was played in Berlin, Germany from 5 May to 11 May 2003. It was one of two Tier I events that took place on red clay in the build-up to the second Grand Slam of the year, the French Open. Third-seeded Justine Henin-Hardenne won the singles title and earned $182,000 first-prize money.