William Garton Bowdler (March 27, 1924 – January 19, 2016) was an American diplomat.
William G. Bowdler was born in Buenos Aires, Argentina on March 27, 1924.
He spent 1963-64 as the State Department's Deputy Coordinator of Cuban Affairs, and then served as executive liaison officer for Latin American affairs with the White House from 1964 through 1968.
In 1968, President of the United States Lyndon B. Johnson chose Bowdler as United States Ambassador to El Salvador, and Bowdler held this post from November 15, 1968, until September 2, 1971.
In 1971, President Richard Nixon appointed him United States Ambassador to Guatemala, and he filled this post from October 19, 1971, through August 26, 1973.