Diane von Fürstenberg (born Diane Simone Michelle Halfin on December 31, 1946, Brussels, Belgium) is a fashion designer best known for her hallmark wrap dress.

Diane Simone Michelle Halfin was born into an upper-middle class Jewish household. Her father was Russian-born Leon Halfin, who spent World War II in Switzerland, and her mother was Greek-born Liliane Nahmias, who was a Holocaust survivor. She studied economics at the University of Geneva in Switzerland.

At university, when she was 18, she met Prince Egon of Fürstenberg, the elder son of a German prince and his first wife, an heiress to the Fiat automotive fortune. Married in 1969 and divorced three years later, the couple had two children, Prince Alexandre (born six months after their wedding) and Princess Tatiana, who were born in New York City. She is now the grandmother of three children. The Fürstenbergs' marriage, though not popular with the groom's family because of the bride's religion, was considered dynastic, and Diane became Princess Diane of Fürstenberg at the time of the wedding, according to the Genealogisches Handbuch Des Adels: Fürstliche Häuser According to Bernardine Morris's article in The New York Times, Diane von Fürstenberg, then separated from her first husband, had dropped her title from use in her professional life.