2019–20 Big East Conference men's basketball season

The 2019–20 Big East Conference men's basketball season began with practices in October 2019, followed by the start of the 2019–20 NCAA Division I men's basketball season in November. Conference play began in January 2020.

Coaching changes
In April 2019, Chris Mullin resigned as the head coach of St. John's, leaving the program after four seasons. On April 19, Arkansas head coach Mike Anderson was hired by St. John's as Mullin's replacement.

Coaches
Notes:
 * Years at school includes 2019–20 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 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.