Charles Dickerman Williams (October 1, 1900 – August 12, 1998) was an American lawyer who was known as a freedom of speech advocate. In 1951, the president appointed him chief legal officer for the U.S. Commerce Department. In 1922, Williams graduated from Yale University, and in 1924 from Yale Law School. Williams served for a year as a clerk to Chief Justice William Howard Taft of the U.S. Supreme Court. He was an Assistant United States Attorney in Manhattan fighting bootleggers as head of a prohibition enforcement unit in 1926.