William John Bennett is an American conservative politician and political commentator who served as secretary of education from 1985 to 1988 under President Ronald Reagan. He also held the post of director of the Office of National Drug Control Policy under George H. W. Bush.

The United States secretary of education is the head of the United States Department of Education. The secretary serves as the principal advisor to the president of the United States, and the federal government, on policies, programs, and activities related to all education in the United States. As a member of the Cabinet of the United States, the secretary is sixteenth in the line of succession to the presidency.