Xavier Brewer (born January 25, 1990) is an American football coach and former cornerback who is currently a defensive analyst at the University of Oklahoma. He was previously a graduate assistant at Clemson University, and cornerbacks coach at the University of Louisiana at Monroe. He also played college football at Clemson before going on to sign with the Dallas Cowboys of the National Football League (NFL) as a undrafted free agent in 2013. He also spent time with the Jacksonville Sharks of the Arena Football League (AFL).