The 2015 Northern Illinois Huskies football team represented Northern Illinois University as a member of the West Division of the Mid-American Conference (MAC) during the 2015 NCAA Division I FBS football season. Led by third-year head coach Rod Carey, the Huskies compiled an overall record of 8–6 with a mark of 6–2 in conference play, finishing in a four-way tie for the MAC West Division title with Central Michigan, Toledo, and Western Michigan. Northern Illinois advance to the MAC Championship Game, where they lost to Bowling Green. The Huskies were invited to the Boca Raton Bowl, to the Poinsettia Bowl, where they were defeated by Boise State. The team played home games at Huskie Stadium in DeKalb, Illinois.