The 1881 Princeton Tigers football team represented the College of New Jersey, then more commonly known as Princeton College, in the 1881 college football season. The team finished with a 7–0–2 record and was retroactively named national champion by the Billingsley Report and as co-national champion by Parke H. Davis. This season marked Princeton's 11th national championship in a 13-year period between 1869 and 1881. P. T. Bryan was the captain of the team.