The United States Permanent Representative to the International Civil Aviation Organization is the leader of the U.S. Mission to the International Civil Aviation Organization (ICAO).

The position is formally known as the permanent representative of the United States of America, with the rank and status of ambassador extraordinary and plenipotentiary.

The U.S. nominee to the Air Navigation Commission, a body that works towards the uniformity in regulations, standards and procedures which will facilitate and improve air navigation to international standards, acts as the deputy to the Permanent Representative.

The United States sent a delegation to the 1944 Chicago Conference, and became a party of the Convention on International Civil Aviation which was resolved at its end on 7 December 1944.

The United States first sent a permanent representative to serve on the Council of the Provisional International Civil Aviation Organization (PICAO) which began operating on 6 June 1945 and was replaced by ICAO on 7 April 1947.