The 2003 Family Circle Cup was a women's tennis tournament and the 31st edition of the Family Circle Cup. This WTA Tier I Event was held at the Family Circle Tennis Center in Charleston, South Carolina, United States and played on outdoor clay courts. Second-seeded Justine Henin-Hardenne won the singles title.
| 2003 Family Circle Cup | |
|---|---|
| Date | April 7–13 |
| Edition | 31st |
| Category | WTA Tier I Event |
| Draw | 64S / 32D |
| Surface | Clay / outdoor |
| Location | Charleston, SC, U.S. |
| Venue | Family Circle Tennis Center |
| Attendance | 81,389 |
| Champions | |
| Singles | |
 Justine Henin-Hardenne | |
| Doubles | |
 Virginia Ruano /  Paola Suárez | |
Finals edit
Singles edit
Justine Henin-Hardenne defeated 
Serena Williams 6–3, 6–4
Doubles edit
Virginia Ruano Pascual / Paola Suárez defeated 
Janette Husárová / Conchita Martínez 6–0, 6–3