George Kennan was an American explorer noted for his travels in the Kamchatka and Caucasus regions of the Russian Empire. He was a cousin twice removed of the American diplomat and historian George F. Kennan, whose birthday he shared.

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".