Alvin "Pooh" Williamson (born September 5, 1973) is a former college basketball player who is currently an assistant coach at the University of Oklahoma. Williamson was interim head coach at the University of Tulsa and was an assistant coach at Texas Tech University. Williamson coached at Miami as an assistant during the 2018–19 season. In June 2019, he was hired to Lon Kruger's staff at Oklahoma.