Leonard Randolph Wilkens (born October 28, 1937, in Brooklyn, New York) is the National Basketball Association's winningest coach with over a thousand wins. He is a former NBA player.

He played for St. Louis Hawks, Seattle Supersonics, Cleveland Cavaliers and Portland Trailblazers.

The Hall Of Famer was named head coach of the New York Knicks on January 15, 2004. Wilkens has coached for 31 seasons. After the Knicks's slow start to the 2004-2005 campaign, Wilkens resigned from the team on January 22, 2005.

He coached the 1996 Olympic Champion Men's Basketball team.

Wilkens is one of a select few players to be inducted to the Basketball Hall of Fame as both a player and a coach, joining the Hall in 1989 as a player and 1998 as a coach.