The 2018 Delaware Fightin' Blue Hens football team represented the University of Delaware as a member of the Colonial Athletic Association (CAA) during the 2018 NCAA Division I FCS football season. Led by second-year head coach Danny Rocco, the Fightin' Blue Hens compiled an overall record of 7–5 with a mark of 5–3 in conference play, placing in a three-way tie for third in the CAA. Delaware received an at-large bid to the NCAA Division I Football Championship playoffs, the Fightin' Blue Hens they lost in the first round to James Madison. The team played home games at Delaware Stadium in Newark, Delaware.