The 1991 Bucknell Bison football team was an American football team that represented Bucknell University during the 1991 NCAA Division I-AA football season.
Bucknell played its home games at Christy Mathewson–Memorial Stadium on the university campus in Lewisburg, Pennsylvania.
In its third year under head coach Lou Maranzana, the Bison compiled a 1–9 record.
[1] Brian Henesey and John Spatafore were the team captains.
Bucknell's 1–4 conference record placed fifth in the six-team Patriot League standings.