The 2013 Northwestern State Demons football team represented Northwestern State University as a member of the Southland Conference during the 2013 NCAA Division I FCS football season.

Led by first-year head coach Jay Thomas, the Demons compiled an overall record of 6–6 with a mark of 3–4 in conference play, placing fifth in the Southland.

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

[1] All games aired on the radio via the Demon Sports Network, found on KNWD and online at nsudemons.com.