Billy Dee Smith (born June 30, 1982 in St. Catharines, Ontario) is a former professional lacrosse player played for the Buffalo Bandits and Rochester Knighthawks of the National Lacrosse League and the Hamilton Nationals of Major League Lacrosse. He was also a member of the gold medal winning Canadian lacrosse team at the 2006 World Lacrosse Championship. Smith is an assistant coach for the Halifax Thunderbirds. Smith was named Defensive Player of the Year for the 2009 NLL season. Injuries have limited his career.