Xavier Prather (born May 12, 1994) is an American lawyer and reality television personality. He is the winner of the 23rd season of the American reality television series Big Brother, becoming the first African American to win a regular season in the show's 21-year history. In 2022, he appeared as a contestant on The Challenge: USA where he was eliminated in episode 4.

Outside reality television, Prather is a practicing attorney and a former college basketball player.