Brett William Brown is an American professional basketball coach who is an assistant coach for the San Antonio Spurs of the National Basketball Association (NBA). Brown is a former college basketball player who previously served as head coach for the Philadelphia 76ers from 2013 to 2020. Before that, Brown was an assistant on Gregg Popovich's staff on the Spurs. He also has extensive experience coaching in Australia, having been the head coach of the North Melbourne Giants and Sydney Kings of the National Basketball League (NBL).