Alvin Leon Williams (born August 6 1974 in Philadelphia, Pennsylvania) is a professional basketball player in the NBA. He played college basketball at Villanova University. The Portland Trail Blazers drafted him in the second round of the 1997 NBA Draft, and Williams began his career there before going on to play for the Toronto Raptors. He appeared in all 82 games for two straight seasons, in 2001-2002 and 2002-2003. After being injured for most of the 2003-2004 and 2004-2005 season Alvin Williams joined the lineup at the start of the 2005-2006 season. After playing one game in the 2005-2006 season, Alvin was put back on the injured list.