The 2020–21 Alabama Crimson Tide men's basketball team represented the University of Alabama in the 2020–21 NCAA Division I men's basketball season. The team was led by second-year head coach Nate Oats. They played their home games at Coleman Coliseum in Tuscaloosa, Alabama as a member of the Southeastern Conference. The Crimson Tide won the regular season Southeastern Conference Championship, marking the team's first championship since 2002. They also won the SEC tournament, their first win in that competition since 1991 and the first time since 1987 that the program won both the regular season and tournament.