The 1991 Harvard Crimson football team was an American football team that represented Harvard University during the 1991 NCAA Division I-AA football season.
Harvard finished third in the Ivy League.
In their 21st year under head coach Joe Restic, the Crimson compiled a 4–5–1 record and were outscored 223 to 203.
[1] Harvard's 4–2–1 conference record placed third in the Ivy League standings.
[2] Harvard played its home games at Harvard Stadium in the Allston neighborhood of Boston, Massachusetts.