The 2009 Delaware Fightin' Blue Hens football team represented the University of Delaware as a member of the South Division of the Colonial Athletic Association (CAA) during the 2009 NCAA Division I FCS football season. Led by eighth-year head coach K. C. Keeler, the Fightin' Blue Hens compiled an overall record of 6–5 with a mark of 4–4 in conference play, tying for fourth place in the CAA's South Division. The team played home games at Delaware Stadium in Newark, Delaware.