William Henry Demps, Jr. (born November 7, 1979 in Charleston, South Carolina) is an American football safety for the Houston Texans of the National Football League. He was originally signed by the Baltimore Ravens as an undrafted free agent after going undrafted in the 2002 NFL Draft. He played college football of San Diego State.
Demps has also played for the New York Giants in his career. He is the older brother of former NFL safety Marcus Demps, who was a member of the Detroit Lions practice squad in 2006.
The former walk-on who was a 2-year starter at San Diego State University. Two-time All-Mountain West First-team selection. Recorded 229 career tackles (135 solo), including 15 tackles for loss, five interceptions.