| Year: | 1891 |
| Team: | Princeton Tigers |
| Sport: | football |
| Conference: | Independent |
| Record: | 12–1 |
| Head Coach: | None |
| Captain: | Ralph Warren |
| Stadium: | University Field |
The 1891 Princeton Tigers football team represented Princeton University in the 1891 college football season. The team finished with a 12–1 record. The Tigers recorded 12 shutouts and outscored opponents by a combined total of 391 to 0 in their first 12 games.[1] The team's sole loss was in the final game of the season by a 19–0 score against Yale.[2]
Three Princeton players, quarterback Philip King, fullback Sheppard Homans, Jr., and guard Jesse Riggs, were consensus first-team honorees on the 1891 College Football All-America Team.[3]