2013 National Invitation Tournament

The 2013 National Invitation Tournament was a single-elimination tournament of 32 NCAA Division I teams that were not selected to participate in the 2013 NCAA tournament. The annual tournament began on March 19 on campus sites and ended on April 4 at Madison Square Garden. Baylor defeated Iowa, 74–54, to capture the Bears its first NIT title in school history.

Automatic qualifiers
The following teams earned automatic berths into the 2013 NIT field by virtue of winning their conferences' regular season championship, but failing to win their conference tournament. These teams also did not receive an at-large bid for the NCAA tournament.

At-large bids
The following 22 teams were also awarded NIT berths.

Bracket
Games are played at higher seed unless noted.