Lonnie Duane Kruger (born August 19, 1952) is an American former college and professional basketball coach who was most recently the men's basketball head coach of the University of Oklahoma. Kruger played college basketball for Kansas State University. He has served as the head coach of the University of Texas–Pan American, Kansas State, the University of Florida, the University of Illinois, and the University of Nevada, Las Vegas, as well as the Atlanta Hawks of the National Basketball Association (NBA). Kruger was the first coach to lead five programs to the NCAA tournament (he has since been joined by Tubby Smith, Rick Pitino and Steve Alford). His teams participated in 21 NCAA Tournaments, including two Final Fours (1994 with Florida; 2016 with Oklahoma).
