The 1991 Ithaca Bombers football team represented Ithaca College as an independent during the 1991 NCAA Division III football season.
In their 22nd season under head coach Jim Butterfield, the Bombers compiled a 12–1 record.
The team's only loss was to Division II Springfield.
The team participated in the NCAA Division III playoffs, defeating Glassboro State in the first round, Union in the quarterfinals, Susquehanna in the semifinals, and Dayton in the Stagg Bowl to win the Division III national championship.
[1] The team played its home games at South Hill Field in Ithaca, New York.