Daniel Peter Williams (born 13 July 1973) is a British professional boxer.
He challenged once for the WBC heavyweight title against Vitali Klitschko in 2004.
At regional level, he held the Commonwealth heavyweight title twice between 1999 and 2007; the British heavyweight title twice between 2000 and 2010; and challenged once for the EBU European heavyweight title in 2003.
As an amateur, he won bronze medals at the 1993 European Championships and 1994 Commonwealth Games.
Williams is best known for scoring an upset knockout victory against Mike Tyson in 2004.