| 2003 SEAT Open | |
|---|---|
| Date | 20–26 October |
| Edition | 8th |
| Category | Tier III |
| Draw | 30S / 16D |
| Prize money | $225,000 |
| Surface | Hard / indoor |
| Location | Kockelscheuer, Luxembourg |
| Champions | |
| Singles | |
 Kim Clijsters | |
| Doubles | |
 Maria Sharapova  Tamarine Tanasugarn | |
The 2003 SEAT Open was a women's tennis tournament played on indoor hard courts in Kockelscheuer, Luxembourg which was part of Tier III of the 2003 WTA Tour. It was the 8th edition of the tournament and was held from 20 October until 26 October 2003. First-seeded Kim Clijsters won the singles title, her third consecutive at the event and fourth in total, and earned $35,000 first-prize money.[1]
- ^ "Clijsters wins again at Luxembourg". UPI. 26 October 2003.