| 1973 Family Circle Cup | |
|---|---|
| Date | May 1–5 |
| Edition | 1st |
| Category | Virginia Slims Circuit |
| Draw | 16S / 8D |
| Prize money | $100,000 |
| Surface | Clay / outdoor |
| Location | Hilton Head Island, U.S |
| Venue | Sea Pines Plantation |
| Champions | |
| Singles | |
 Rosemary Casals | |
| Doubles | |
 Françoise Dürr /  Betty Stöve | |
The 1973 Family Circle Cup was a women's tennis tournament played on outdoor clay courts at the Sea Pines Plantation on Hilton Head Island, South Carolina in the United States. The event was part of the 1973 Virginia Slims Circuit. It was the inaugural edition of the tournament and was held from May 1 through May 5, 1973. [1] Fourth-seeded Rosemary Casals won the singles title and earned $30,000 first-prize money. [2]