William Alan "Bill" Eaton is a United States diplomat.
William A. Eaton was born in Winchester, Virginia in 1952. He was educated at the University of Virginia, receiving a B.A. in international relations in 1978. After college, he joined the United States Army, serving mainly in South Korea.
Eaton then joined the United States Foreign Service beginning a career as a Foreign Service Officer. In the course of his career, he was posted at Georgetown, Moscow, Istanbul, Milan and Ankara. Eaton is fluid in Spanish, Turkish, Russian, Dutch and Italian. As a political officer in Georgetown, Guyana, Eaton represented the United States in negotiations. He also led successful negotiations between the United States, Russia, Ukraine, the European Union, Canada and Sweden to establish centers for former weapons scientists. During his stints in Washington, D.C., Eaton worked in the Office of the Office of the Assistant Secretary of State for Administration, the Office of the Assistant Secretary of State for Diplomatic Security, the Office of the Under Secretary of State for Management, and the Office of the United States Deputy Secretary of State.