Diana Mary Villiers Negroponte (born August 14, 1947) is an American trade lawyer, Global Fellow at the Woodrow Wilson International Center for Scholars, adjunct professor of international relations at the Elliot School of International Affairs at George Washington University, and author of several books. Her professional name is Diana Villiers Negroponte. She is the wife of John Negroponte, the former United States Deputy Secretary of State and former U.S. Director of National Intelligence.