The 2009–10 Princeton Tigers men's basketball team represented Princeton University in intercollegiate college basketball during the 2009–10 NCAA Division I men's basketball season. The head coach was Sydney Johnson and the team captains were and . The team played its home games in the Jadwin Gymnasium on the University campus in Princeton, New Jersey, and was the runner-up of the Ivy League, which earned them an invitation to the 16-team 2010 College Basketball Invitational single-elimination tournament where they were advanced to the third round to play in the semifinals.