2020–21 UC Irvine Anteaters men's basketball team

They played their home games at the Bren Events Center in Irvine, California as a member of the Big West Conference.

The team finished the season with an 18–9 (10–4) record finishing 2nd place in the standings and advanced to the 2021 Big West Conference men's basketball tournament where they were defeated by UC Santa Barbara 63–79.

New Bren Events Center records broken were the most points scored in a first half (70) and game FG % (0.691).

Russell Turner became the winningest coach in program history on January 15 surpassing Pat Douglass's total of 197 wins and won his fourth Big West Coach of the Year Award.

Brad Greene set a Bren Events Center record with 21 rebounds on January 11 vs Hawaii.