Leonard Randolph "Lenny" Wilkens (born October 28, 1937) is an American retired basketball player and coach in the National Basketball Association (NBA). He has been inducted three times into the Naismith Memorial Basketball Hall of Fame, first in 1989 as a player, as a coach in 1998, and in 2010 as part of the 1992 United States Olympic "Dream Team", for which he was an assistant coach. He is also a 2006 inductee into the College Basketball Hall of Fame.
Wilkens was a combined 13-time NBA All-Star as a player (nine times) and as a head coach (four times), was the 1993 NBA Coach of the Year, won the 1979 NBA Championship as the head coach of the Seattle SuperSonics, and an Olympic gold medal as the head coach of the 1996 U.S. men's basketball team.
During the 1994–95 season, Wilkens set the record for most coaching wins in NBA history, a record he held when he retired with 1,332 victories. Wilkens is now second on the list behind Don Nelson, who broke it in 2010. He won the Chuck Daly Lifetime Achievement Award for the 2010–11 NBA season. Wilkens is also the most prolific coach in NBA history, at 2,487 regular season games, 89 more games than Nelson, and over 400 more than any other coach, and has more losses than any other coach in NBA history, at 1,155.