Hon. John Dimitri Negroponte (born July 21, 1939 in London, England, United Kingdom) (pronounced /ˌnɛɡroʊˈpɒnti/) is an American diplomat of Greek descent. He is currently a research fellow and lecturer in international affairs at Yale University's MacMillan Center. Prior to this appointment, he served as the United States Deputy Secretary of State and as the first ever Director of National Intelligence.

Negroponte served in the United States Foreign Service from 1960 to 1997. From 1981 to 1996, he had tours of duty as United States ambassador in Honduras, Mexico, and the Philippines. After leaving the Foreign Service, he subsequently served in the Bush Administration as U.S. permanent representative to the United Nations from 2001 to 2004, and was ambassador to Iraq from June 2004 to April 2005.

Negroponte was born in London to Greek parents Dimitri John and Catherine Coumantaros Negroponte. His father was a Greek shipping magnate. Negroponte attended the Allen-Stevenson School in New York City before prepping at Phillips Exeter Academy in New Hampshire. He graduated from Phillips Exeter Academy in 1956, and Yale University in 1960. He was a member of the Psi Upsilon fraternity, alongside William H.T. Bush, the uncle of President George W. Bush, and Porter Goss, who served as Director of Central Intelligence and Director of the Central Intelligence Agency under Negroponte from 2005 to 2006.