The 1988 Delaware Fightin' Blue Hens football team represented the University of Delaware as a member of the Yankee Conference during the 1988 NCAA Division I-AA football season.
Led by 23rd-year head coach Tubby Raymond, the Fightin' Blue Hens compiled an overall record of 7–5 with a mark of 6–2 in conference play, sharing the Yankee Conference title with UMass.
Delaware advanced to the NCAA Division I-AA Football Championship playoffs, where Fightin' Blue Hens lost in the first round to Eastern Kentucky.
The team played home games at Delaware Stadium in Newark, Delaware.
This college football 1980s season article is a stub.