Derrick LeRon Williams (born May 25, 1991) is an American professional basketball player who last played for Panathinaikos of the Greek Basket League and the EuroLeague. He played college basketball for the Arizona Wildcats from 2009 to 2011.
Williams was selected with the second overall pick by the Minnesota Timberwolves in the 2011 NBA draft. He spent two and a half seasons in Minnesota before being traded to the Sacramento Kings in November 2013. After two seasons with the Kings, Williams signed with the New York Knicks in July 2015. He later signed with the Miami Heat in July 2016 before being waived in February 2017. Williams joined the Cleveland Cavaliers the same month, with whom he reached the 2017 NBA Finals. He signed in China to start the 2017–18 season, but joined the Los Angeles Lakers on a 10-day contract in March 2018. Williams has played overseas since October 2018.