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 defeated Montana State in the first round of the Big Sky tournament to advance to the quarterfinals where they lost to Montana.

They advanced to the semifinals of the Big Sky tournament where they lost to Eastern Washington.

They were invited to the CollegeInsider.com Tournament where they defeated Portland in the first round before losing in the second round to fellow Big Sky member Northern Arizona.