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 finished the season 8-12, 5-9 in Big Sky Play to finish in 9th place. They lost in the first round of the Big Sky tournament to Northern Colorado.