The 1991 Princeton Tigers football team was an American football team that represented Princeton University during the 1991 NCAA Division I-AA football season.
Princeton finished second in the Ivy League.
In their fifth year under head coach Steve Tosches, the Tigers compiled an 8–2 record and outscored opponents 253 to 171.
[1] Princeton's 5–2 conference record placed second in the Ivy League standings.
[2] Princeton played its home games at Palmer Stadium on the university campus in Princeton, New Jersey.