The United States Permanent Representative to NATO (commonly called the U.S. Ambassador to NATO) is the official representative of the United States Mission to NATO. The Representative has the rank of full ambassador and is appointed by the president and confirmed by the Senate. The full official title of the Representative is United States Permanent Representative on the Council of the North Atlantic Treaty Organization, with the rank and status of Ambassador Extraordinary and Plenipotentiary. The position is currently held by Julianne Smith, having been confirmed by the Senate of November 18, 2021.^[1]

The first Representative was appointed by President Dwight D. Eisenhower in 1953.