| Mode: | Basketball |
| Year: | 2020–21 |
| Prev Year: | 2019–20 |
| Next Year: | 2021–22 |
| Team: | UT Arlington Mavericks |
| Conference: | Sun Belt Conference |
| Division: | West Division |
| Short Conf: | Sun Belt |
| Record: | 13–13 |
| Conf Record: | 9–8 |
| Hc Year: | 3rd |
| Assoc Coach: | Greg Young |
| Asst Coach1: | Riley Davis |
| Asst Coach2: | Royce Johnson |
The 2020–21 UT Arlington Mavericks men's basketball team represented the University of Texas at Arlington in the 2020–21 NCAA Division I men's basketball season. The Mavericks, led by third-year head coach Chris Ogden, played their home games at the College Park Center in Arlington, Texas as members of the Sun Belt Conference. With the creation of divisions to cut down on travel due to the COVID-19 pandemic, they played in the West Division.
The Mavericks finished the 2019–20 season 14–18, 10–10 in Sun Belt play to finish seventh place. They lost in the first round of the Sun Belt tournament to Coastal Carolina.
|-!colspan=12 style=| Non-conference regular season|-!colspan=9 style=| Sun Belt Conference regular season|-!colspan=12 style=| Sun Belt tournament|-|-Source[1]