1990–91 Princeton Tigers men's basketball team

[3] The team played its home games in the Jadwin Gymnasium on the university campus in Princeton, New Jersey.

The team was the undefeated champion of the Ivy League, which earned them an automatic invitation to the 64-team 1991 NCAA tournament, where they were seeded eighth in the East Region.

[7] On February 8, 1991, against Cornell, Sean Jackson made all five of his three-point field goal attempts, which tied the Ivy League single-game record for most made without a miss set three years earlier by Princeton Tigers Dave Orlandini and Bob Scrabis.

[8] In a March 15, 1991 NCAA Division I men's basketball tournament East Regional first-round game at the Carrier Dome in Syracuse, New York, against the Villanova Wildcats, they lost by a 50–48 margin.

[8][18] The team won the third of twelve consecutive national statistical championships in scoring defense with a 48.9 points allowed average.