2005 Delaware Fightin' Blue Hens football team

The 2005 Delaware Fightin' Blue Hens football team represented the University of Delaware in the 2005 NCAA Division I-AA football season as a member of the Atlantic 10 Conference (A–10). They were led by K. C. Keeler, who was in his fourth season as head coach of the Fightin' Blue Hens. The team played its home games at Delaware Stadium in Newark, Delaware.