Aaron Williams (born October 2, 1971 in Evanston, Illinois) is an American former professional basketball player. He played at the power forward and center positions.
Williams was undrafted after a college career at Xavier University, and played for the Utah Jazz, Milwaukee Bucks, Denver Nuggets, Vancouver Grizzlies (afterwards Memphis Grizzlies), Seattle SuperSonics, Washington Wizards, New Jersey Nets, Toronto Raptors, New Orleans/Oklahoma City Hornets and Los Angeles Clippers. He also had brief stints in the CBA, Italy and Greece.
In 2000-01, as a member of the New Jersey Nets, Williams posted his best numbers as a pro, playing all possible 82 games while averaging 10.1 points and 7.2 rebounds per game, but also had the dubious distinction of leading the league in total personal fouls committed, with 319 (an average of 3.89 fouls per game).