Mutt Williams debuted on October 4, 1913, playing for the Washington Senators at Griffith Stadium I; he played his final game on October 1, 1914, playing for the Washington Senators at Griffith Stadium I.
Mutt Wilson debuted on September 11, 1920, playing for the Detroit Tigers at Navin Field; he played his final game on September 18, 1920, playing for the Detroit Tigers at Navin Field.
NBA player Deron Williams played for Illinois.
NBA player Derrick Williams played for Arizona.
NBA player Elliot Williams played for Memphis.
NBA player Mo Williams played for Alabama.
NFL player LaQuan Williams played for Maryland.
NFL player Chris Williams played for Vanderbilt.
NFL player DeAngelo Williams played for Memphis.
NFL player Garry Williams played for Kentucky.
NFL player Shawn Williams played for Georgia.
NFL player K'Waun Williams played for Pittsburgh.
NFL player Terrance Williams played for Baylor.