The 2015 Delaware Fightin' Blue Hens football team represented the University of Delaware as a member of the Colonial Athletic Association (CAA) during the 2015 NCAA Division I FCS football season. Led by third-year head coach Dave Brock, the Fightin' Blue Hens compiled an overall record of 4–7 with a mark of 3–5 in conference play, placing in a four-way tie for seventh in the CAA. The team played home games at Delaware Stadium in Newark, Delaware.