Darlene Ruth Hard was an American professional tennis player, known for her aggressive volleying ability and strong serves. She captured singles titles at the French Championships in 1960 and the U.S. Championships in 1960 and 1961.

Althea Gibson defeated Darlene Hard in the final, 6–3, 6–2 to win the ladies' singles tennis title at the 1957 Wimbledon Championships. Gibson was the first African American player to win a Wimbledon singles title. Shirley Fry was the reigning champion, but did not compete.