| Year: | 1991 |
| Team: | Harvard Crimson |
| Sport: | football |
| Conference: | Ivy League |
| Short Conf: | Ivy |
| Record: | 4–5–1 |
| Conf Record: | 4–2–1 |
| Head Coach: | Joe Restic |
| Hc Year: | 21st |
| Captain: | John Lausch |
| Stadium: | Harvard Stadium |
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. John Lausch was the team captain.[1]
Harvard's 4–2–1 conference record placed third in the Ivy League standings. The Crimson outscored Ivy opponents 163 to 160.[2]
Harvard played its home games at Harvard Stadium in the Allston neighborhood of Boston, Massachusetts.