This list includes all 30 of the National Basketball Association head coaches. The league consists of 30 teams, of which 29 are located in the United States and one in Canada. In the NBA, a head coach is the highest ranking coach of a coaching staff.
Gregg Popovich has served as head coach of the San Antonio Spurs for 24 years. No other current NBA head coach has been head coach of his current team as long as Popovich has been head coach of the Spurs. Popovich has also coached more games (1,891), won more games (1,277), and lost more games (614) than any other active head coach has with his current team. Miami Heat head coach Erik Spoelstra is the second longest-tenured NBA head coach, having been head coach of the Heat since the 2008–09 season. No active head coaches have been inducted into the Basketball Hall of Fame as coaches. Popovich is the only current head coach to have been hired by his current team in the 1990s.