The 2018 Northern Illinois Huskies football team represented Northern Illinois University as a member of the West Division of the Mid-American Conference (MAC) during the 2018 NCAA Division I FBS football season.

Led by Rod Carey in his sixth and final season as head coach, the Huskies compiled an overall record of 8–6 with a mark of 6–2 in conference play, winning the MAC's West Division title.

The Huskies were invited to the Boca Raton Bowl, where they lost to UAB.

The team played home games at Huskie Stadium in DeKalb, Illinois.

The MAC released their preseason media poll on July 24, 2018, with the Huskies predicted to finish as champions of the West Division.