William David Young (born 1956) is an American retired law enforcement officer and the 15th Sheriff of Clark County from January 6, 2003, to January 2, 2007. He is a member of the Republican Party.
On May 4, 2005, Young supported a tax increase in Clark County for new officers.
On March 14, 2007, Young was hired by Station Casinos.
On September 6, 2013, Young declined to run for a second term as Clark County Sheriff in 2014.
On August 16, 2016, Young and former Democratic Washoe County Sheriff Mike Haley endorsed Nevada Question 1 ballot.