The 2021 UT Arlington Mavericks baseball team represented the University of Texas at Arlington during the 2021 NCAA Division I baseball season.

The Mavericks played their home games at Clay Gould Ballpark and were led by fourteenth-year head coach Darin Thomas.

They were members of the Sun Belt Conference.

Source:[2] The Sun Belt Conference Coaches Poll was released on February 15, 2021 and the Mavericks were picked to finish second in the West Division.

[3] Source:[4] Pitchers Catchers Infielders Outfielders *Rankings are based on the team's current ranking in the D1Baseball poll.