The 2021 NCAA Division I men's soccer tournament was the 63rd edition of the NCAA Division I men's soccer tournament, a postseason tournament that determined the national champion of the 2021 NCAA Division I men's soccer season.

[1][2] Pending the state of the COVID-19 pandemic, 48 teams have been selected to participate.

The remaining 25 berths are determined through an at-large process based upon the Ratings Percentage Index (RPI) of teams that did not automatically qualify.

The NCAA Selection Committee also named the top sixteen seeds for the tournament, with those teams receiving an automatic bye into the second round of the tournament.

First round games will be played on November 18 at campus sites.