Demorrio Dwain Williams (born July 6, 1980) is a former American football linebacker.

It was here that Kilgore head coach Jimmy Rieves decided to change him from a cornerback to a linebacker, and he excelled there.

Williams helped lead Kilgore to an undefeated season in 2001, and a #2 national ranking.

Prior to entering the NFL, Williams played for the University of Nebraska, where he completed his degree in sociology.

Williams started all 16 of the Falcons' regular-season games of the 2005 NFL season, recording 132 tackles, and ranking second on his team for that statistic.