2020–21 Big East Conference men's basketball season

The 2020–21 Big East Conference men's basketball season began with practices in October 2020, followed by the start of the 2020–21 NCAA Division I men's basketball season in November. Conference play began in January 2021.

Coaches
Notes:
 * Years at school includes 2020–21 season.
 * Overall and Big East records are from time at current school and are through week nine of the 2019–20 season.
 * McDermott's MVC conference records and Hurley's AAC records not included since team began play in the Big East.

Preseason poll
Prior to the season, the Big East conducted a poll of Big East coaches. Coaches do not place their own team on their ballots.

Preseason All-Big East teams
*Schedule Source:

Conference matrix
This table summarizes the head-to-head results between teams in conference play.

Player of the week
Throughout the season, the Big East Conference named a player of the week and a freshman of the week each Monday.