The 2015–16 Northwestern State Demons basketball team represented Northwestern State University during the 2015–16 NCAA Division I men's basketball season.

The Demons, led by 17th-year head coach Mike McConathy, played their home games at Prather Coliseum in Natchitoches, Louisiana and were members of the Southland Conference.

They advanced to the semifinals of the Southland tournament where they lost to Stephen F. Austin.

They were invited to the CollegeInsdier.com Tournament where they lost in the first round to UT Martin.

Roster Last update: September 20, 2024 Most games were carried live on the Demon Sports Radio Network.