1943 Princeton Tigers football team

The 1943 Princeton Tigers football team was an American football team that represented Princeton University as an independent during the 1943 college football season. In their first season under head coach Harry Mahnken, the Tigers compiled a 1–6 record and were outscored by a total of 226 to 96. Wayne Harding was Princeton's team captain.

In the final Litkenhous Ratings, Princeton ranked 115th among the nation's college and service teams with a rating of 61.4.

The team played its home games at Palmer Stadium in Princeton, New Jersey.