Bill Laimbeer Jr. is a professional basketball coach and former player. Prior to the NBA, he played for the University of Notre Dame and Palos Verdes High School in Southern California.

During his NBA career, Laimbeer was best known for his 11-year tenure with the Detroit Pistons during the "Bad Boys" era. Although a solid shooter and rebounder, Laimbeer became notorious for his physical play and reputation for delivering hard, often flagrant fouls. Laimbeer played at center with Hall of Fame backcourt guards Isiah Thomas and Joe Dumars, and forward Dennis Rodman, winning back to back NBA Championships in 1989 and 1990 with the Pistons. Laimbeer was named an NBA All-Star four times. After his playing career, Laimbeer served as the head coach and general manager of the Detroit Shock in the WNBA from 2002 to 2009, coaching the team to three league championships in 2003, 2006, and 2008.

He was the head coach of the New York Liberty from 2013 to 2017 and has been the head coach of the Las Vegas Aces since 2018. He has twice been named the WNBA's Coach of the Year. As of 2021, Laimbeer is still the head coach of the WNBA's Las Vegas Aces.