George F. Kennan, American historian and diplomat, United States Ambassador to the Soviet Union (born 1904)

George Frost Kennan was an American diplomat and historian. He was best known as an advocate of a policy of containment of Soviet expansion during the Cold War. He lectured widely and wrote scholarly histories of the relations between the USSR and the United States. He was also one of the group of foreign policy elders known as "The Wise Men".

The ambassador of the United States of America to the Russian Federation is the ambassador extraordinary and plenipotentiary from the United States of America to the Russian Federation. Since January 30, 2023, Lynne M. Tracy is serving as the ambassador extraordinary and plenipotentiary.