During high school, Williams was a member of the National Honor Society and the Fellowship of Christian Athletes.

[4] Williams is the third player in ACC history to have 1,500 points, 1,000 rebounds, 350 blocks and 150 steals (joining Tim Duncan and Ralph Sampson).

[9] On February 16, 2008, Williams was traded, alongside Anthony Johnson, Tyronn Lue, Lorenzen Wright and a 2008 second-round pick, to the Sacramento Kings in exchange for Mike Bibby.

[4] On April 15, Williams logged a season-high 11 rebounds, alongside 12 points and three steals, in a 101–124 loss to the Los Angeles Lakers.

On February 19, 2009, Williams was traded, alongside Bobby Brown, to the Minnesota Timberwolves in exchange for Rashad McCants and Calvin Booth.

[19] On November 13, 2008, Williams married former University of Tennessee Lady Vols and Las Vegas Aces basketball star Candace Parker.

The Shelden Williams Foundation is dedicated to empowering student athletes and their families by delivering and supporting initiatives that promote emotional and physical health through sports, education, and community involvement.