The 2020–21 Sacramento State Hornets men's basketball team represented California State University, Sacramento in the 2020–21 NCAA Division I men's basketball season.

The Hornets, led by 13th-year head coach Brian Katz played their home games at the Hornets Nest in Sacramento, California as members of the Big Sky Conference.

They lost in the first round of the Big Sky tournament to Northern Colorado.

The Hornets finished the 2019–20 season 16–14, 8–12 in Big Sky play to finish in a tie for seventh place.

[1] They were scheduled to face off against top seed Eastern Washington in the quarterfinals, but the remainder of the tournament was cancelled due to the ongoing COVID-19 pandemic.