Bill Self Jr. is a collegiate basketball coach. In 1985, Self joined Larry Brown's coaching staff at the University of Kansas. He remained at Kansas as an assistant coach for the 1985–1986 season. Between 1986 and 1993, Self was an assistant coach at Oklahoma State University under Leonard Hamilton, followed by Eddie Sutton. 

He has served as the head men's basketball coach at the University of Kansas, a position he has held since 2003. During his 18 seasons as head coach, he has led the Jayhawks to 15 Big 12 regular season championships, including a share of an NCAA record 14 consecutive Big 12 regular season championships (2005–2018). He has also led the Jayhawks to three NCAA Final Four appearances, and the 2008 NCAA championship. As coach at Kansas, Self has a record of 277–15 (.948 win percentage) at historic Allen Fieldhouse. In his tenure at Kansas, Self has had 3 home winning streaks of more than 30 wins including a school-record and 11th-best all-time 69 game streak.

Self was inducted into the Naismith Memorial Basketball Hall of Fame in 2017. Self, as of the end of the 2020–21 season, has the 19th most wins among Division I coaches in NCAA history and 6th among active head coaches. He is the second-winningest coach in Kansas history, behind only Hall of Famer Phog Allen.