Charleston Open

The Charleston Open, currently sponsored by , is a WTA Tour-affiliated professional tennis event, held every year since 1973. The tournament celebrated 50 years in 2022 at the newly renovated located in Charleston, South Carolina, USA. It is played on the green clay courts at LTP Daniel Island tennis center (which contains the 10,200-seat Credit One Stadium) on Daniel Island in Charleston.

It is the oldest professional all-women's tournament in America with a $2.5 million purse, announced in 2026, making it the first standalone WTA 500 event to make its purse equal to those of comparable events on the men's ATP Tour.