1968–69 Princeton Tigers men's basketball team

The 1968–69 Princeton Tigers men's basketball team represented the Princeton University in intercollegiate college basketball during the 1968–69 NCAA University Division men's basketball season. The head coach was Pete Carril and the team captain was Christopher Thomforde. The team played its home games in the Dillon Gymnasium on the university campus before the January 25, 1969, opening of Jadwin Gymnasium on the university campus in Princeton, New Jersey. The team was the champion of the Ivy League, which earned them an invitation to the 25-team 1969 NCAA Men's Division I Basketball Tournament. The team was Princeton's first undefeated Ivy League champion, and earned Carril his first of eleven NCAA Men's Division I Basketball Tournament invitations. The team helped Princeton end the decade with a 72.6 winning percentage (188–71), which was the tenth best in the nation.

During the regular season, the team played a few of the teams that would eventually participate in the 25-team NCAA tournament: they opened their season against the Villanova Wildcats and later played two of the eventual final four participants (the UCLA Bruins and North Carolina Tar Heels) in the ECAC Holiday Classic at Madison Square Garden in New York City in late December 1968. The team posted a 19–7 overall record and a 14–0 conference record. The team entered the tournament riding an eleven-game winning streak and having won fifteen of their last sixteen games, but they lost their March 8, 1969 NCAA Men's Division I Basketball Tournament East Regional first-round game against the St. John's Red Storm 72–63 at Reynolds Coliseum in Raleigh, North Carolina.