The 2015–16 Sacramento State Hornets men's basketball team represented California State University, Sacramento during the 2015–16 NCAA Division I men's basketball season. The Hornets were led by eighth year head coach Brian Katz and played their home games at Colberg Court. They were members of the Big Sky Conference. They finished the season 14–17, 6–12 in Big Sky play to finish in tenth place. They defeated Montana State in the first round of the Big Sky tournament to advance to the quarterfinals where they lost to Montana.