List of NBA head coaches with 400 games coached

The National Basketball Association (NBA) is a major professional basketball league in North America. It was founded in 1946 as the Basketball Association of America (BAA). The league adopted its current name at the start of the when it merged with the National Basketball League (NBL). 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. They typically hold a more public profile and are paid more than the assistant coaches. Lenny Wilkens has coached the most regular season games. He has coached 2,487 games with six teams in 32 seasons. Gregg Popovich has won the most regular season games with 1,388. Don Nelson, Bill Fitch, Jerry Sloan and Larry Brown are the only other coaches who have coached more than 2,000 regular season games. 33 other head coaches have coached more than 1,000 regular season games. Three of those coaches, Popovich, Al Attles and Erik Spoelstra, have spent their entire coaching career with one team. Popovich has coached 2,209 regular season games with the San Antonio Spurs in his 28-year career, Attles has coached 1,075 regular season games with the Warriors franchise in his 14-year career, and Spoelstra has coached 1,230 regular season games with the Miami Heat in his 16-year career.

As of April 14, 2024, Popovich has the most regular season games coached (2,209) with one team, during his 28-year career with the San Antonio Spurs. He also has the record of most game wins when combining regular season and postseason games with 1,558 wins. Larry Brown has coached 9 different teams, the highest number of teams coached among the head coaches.

Former Chicago Bulls and Los Angeles Lakers head coach Phil Jackson won 11 NBA championships, the most in NBA history. He is the only coach who has won multiple championships with multiple teams. He won six titles with the Bulls and five titles with the Lakers. He also leads the NBA for the most postseason games coached and the most postseason wins. Red Auerbach won nine championships with the Boston Celtics. He won his first title in before winning eight consecutive titles from  to. John Kundla, Pat Riley and current Spurs head coach Popovich have each won five championships. Popovich won all of his titles coaching the Spurs as Kundla won all of his titles with the Lakers, while Riley won four titles with the Lakers and one with the Miami Heat. Nelson, Popovich and Riley each won the Coach of the Year Award three times, while Fitch, Hubie Brown, Mike Budenholzer, Mike D'Antoni, Cotton Fitzsimmons, Gene Shue and Tom Thibodeau have each won it twice. 27 NBA head coaches (Rick Adelman, Red Auerbach, Larry Brown, John Calipari, Chuck Daly, Bill Fitch, Cotton Fitzsimmons, Alex Hannum, Tom Heinsohn, Red Holzman, Phil Jackson, Alvin Julian, John Kundla, Bobby Leonard, Ken Loeffler, Frank McGuire, Don Nelson, Rick Pitino, Gregg Popovich, Jack Ramsay, Pat Riley, Bill Russell, Bill Sharman, Jerry Sloan, Jerry Tarkanian, Rudy Tomjanovich and Lenny Wilkens) have earned induction into the Naismith Memorial Basketball Hall of Fame as a coach. Auerbach, Daly, Fitch, Holzman, Jackson, Kundla, Nelson, Ramsay, Riley and Wilkens were named in the list of Top 10 Coaches in NBA History announced at the league's 50th anniversary in 1996. Larry Brown, Popovich, Sloan, Spoelstra, K. C. Jones, Steve Kerr, and Doc Rivers joined Auerbach, Daly, Holzman, Jackson, Nelson, Ramsay, Riley and Wilkens on the updated list of 15 Greatest Coaches in NBA History, announced during the league's 75th anniversary in 2021.

This list includes all head coaches who have coached at least 400 games in the NBA or BAA. The list does not include games in the American Basketball Association (ABA) for head coaches who coached in the ABA prior to the ABA–NBA merger.

List
Note: Statistics are correct through the end of the 2023–24 NBA season.

Playoff series
Below is a list of the most playoff series by a coach (minimum 20 or more playoff series). Phil Jackson, who appeared in 20 playoffs, coached the most series with 65, and won the most with 56. However, Gregg Popovich and George Karl actually made the most playoff appearances at 22. Karl has the most losses, having lost a series in each of his 22 appearances without winning a championship. Jerry Sloan coached the most playoff series without winning a championship with 40, compiling 20 wins and 20 losses. Steve Kerr owns the highest win percentage at 88.5%. Note that the playoff format has expanded over time. Results from the NBA play-in tournament are not counted. Note: Statistics accurate as of May 1st, 2024.