Greta Van Susteren (born June 11, 1954) is an American journalist and television personality on the Fox News Channel, where she hosts On the Record w/ Greta Van Susteren. A former criminal defense and civil trial lawyer, she appeared as a legal commentator on CNN co-hosting Burden of Proof with Roger Cossack from 1994 to 2002, playing defense attorney to Cossack's prosecutor.

Van Susteren was born in Appleton, Wisconsin, and is of Dutch, French and German ancestry on her paternal side.

Van Susteren's sister, Lise, is a forensic psychiatrist in Bethesda, Maryland. In 2006, Lise was a candidate for the Democratic nomination for U.S. Senate. Her brother, Dirk Van Susteren, was a journalist and long-time editor of the Vermont Sunday magazine, jointly published, until folding in 2008, by the Rutland Herald and the Barre-Montpelier-Times Argus. Van Susteren's father, Urban Van Susteren, an elected judge, was a longtime friend of U.S. Senator Joseph McCarthy, and a campaign strategist for him, although Urban later broke with him.