1990 Family Circle Cup
Date	April 2–8
Edition	18th
Category	Tier I
Draw	56S / 28D
Prize money	$500,000
Surface	Clay / outdoor
Location	Hilton Head Island, SC, U.S.
Venue	Sea Pines Plantation
Champions
Singles
Martina Navratilova
Doubles
Martina Navratilova Arantxa Sánchez Vicario
← 1989 · Family Circle Cup · 1991 →

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.^[1]

Finals

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.