Joseph diGenova (born February 22, 1945) is an American lawyer, political commentator, and conspiracy theorist who served as the United States Attorney for the District of Columbia from 1983 to 1988.
He and his wife, Victoria Toensing, are partners in the Washington, D.C., law firm diGenova and Toensing.
He is known for promoting conspiracy theories about the Department of Justice and the FBI.
He frequently appears on Fox News and Fox Business channels.