1990 Family Circle Cup

The 1990 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 and was part of Tier I of the 1990 WTA Tour. It was the 18th edition of the tournament and ran from April 2 through April 8, 1990. First-seeded Martina Navratilova won the singles title, her fourth at the event.

Singles
🇺🇸 Martina Navratilova defeated 🇺🇸 Jennifer Capriati 6–2, 6–4
 * It was Navratilova's 4th singles title of the year and the 150th of her career.

Doubles
🇺🇸 Martina Navratilova / 🇪🇸 Arantxa Sánchez Vicario defeated 🇦🇷 Mercedes Paz / Natasha Zvereva 6–2, 6–1
 * It was Navratilova's 3rd doubles title of the year and the 153rd of her career. It was Sánchez Vicario's 1st doubles title of the year and the 2nd of her career.