William L. Ball III (born June 10, 1948) is an American former government service worker and political appointee. He held senior posts in the Reagan Administration, beginning as an Assistant Secretary of State under George Shultz in 1985 . He moved to the White House staff in 1986 as President Reagan’s chief lobbyist and liaison to Congress. After two years in that capacity, he was nominated by President Reagan and confirmed by the Senate to become the 67th Secretary of the Navy in 1988.