| Year: | 1991 |
| Team: | Holy Cross Crusaders |
| Sport: | football |
| Conference: | Patriot League |
| Short Conf: | Patriot |
| Record: | 11–0 |
| Conf Record: | 5–0 |
| Head Coach: | Mark Duffner |
| Hc Year: | 6th |
| Stadium: | Fitton Field |
| Champion: | Patriot League champion |
The 1991 Holy Cross Crusaders football team was an American football team that represented the College of the Holy Cross as a member of the Patriot League during the 1991 NCAA Division I-AA football season. In its sixth year under head coach Mark Duffner, the team compiled an 11–0 record (5–0 against conference opponents), won the Patriot League championship, and was ranked No. 3 in the NCAA Division I-AA Football Committee poll.[1] The team played its home games at Fitton Field in Worcester, Massachusetts.