Carl Williams, American boxer (d. 2013)
Carl Williams (November 11, 1959 – April 7, 2013), nicknamed "The Truth", was an American boxer who competed as a professional from 1982 to 1997. He challenged twice for heavyweight world titles; the IBF title against Larry Holmes in 1985; and the undisputed title against Mike Tyson in 1989. At regional level he held the USBA heavyweight title from 1987 to 1991.