The 2020–21 Arizona State Sun Devils men's basketball team represented Arizona State University during the 2020–21 NCAA Division I men's basketball season.

The Sun Devils are led by sixth-year head coach Bobby Hurley, and played their home games at Desert Financial Arena in Tempe, Arizona as members of the Pac–12 Conference.

The Sun Devils finished the season 20–11, 11–7 in Pac-12 play to finish in a tie for third place.

They were set to take on Washington State in the quarterfinals of the Pac-12 tournament.

Sources: Sources: Roster Source:[1] *AP does not release post-NCAA Tournament rankings.^Coaches did not release a Week 1 poll.