The 2020 Northwestern State Demons football team represented Northwestern State University as a member of the Southland Conference during the 2020–21 NCAA Division I FCS football season.

Led by third-year head coach Brad Laird, the Demons compiled an overall record of 1–5 with an identical mark in conference play, placing last out of seven teams in the Southland.

Northwestern State played home games at Harry Turpin Stadium in Natchitoches, Louisiana.

Reference(s):[1] The Southland Conference released their spring preseason poll in January 2021.

The Demons were picked to finish sixth in the conference.