The 2019 Delaware Fightin' Blue Hens football team represented the University of Delaware as a member of the Colonial Athletic Association (CAA) during the 2019 NCAA Division I FCS football season.

Led by third-year head coach Danny Rocco, the Fightin' Blue Hens compiled an overall record of 5–7 with a mark of 3–5 in conference play, tying for ninth place in the CAA.

In the CAA preseason poll released on July 23, 2019, the Fightin' Blue Hens were predicted to finish in fifth place.

[1] The Fightin' Blue Hens had two players selected to the preseason all-CAA team.

[2] Under a standard provision of NCAA rules, all FCS teams are allowed to schedule 12 regular-season games in years in which the period starting with Labor Day weekend and ending with the last Saturday of November contains 14 Saturdays.