The 2019 CollegeInsider.com Postseason Tournament (CIT) was a postseason single-elimination tournament of NCAA Division I basketball teams. The tournament began on March 18, 2019, and concluded on April 4, 2019.
This was the last CIT contested before the tournament went on a four-year hiatus. The 2020 and 2021 editions were cancelled due to the COVID-19 pandemic. In 2022, the CIT was replaced by The Basketball Classic. The Basketball Classic was not contested in 2023, and the CIT was revived in 2024.
The following teams received an invitation to the 2019 CIT:<br /> Note: Team records are before playing in the tournament
The top three seeds remaining after the first round received byes to the quarterfinals. Marshall received the number 1 seed. Louisiana-Monroe and NJIT also received byes to the quarterfinals after winning their first round matchup.
The following programs declined an invitation to play in the CIT.
<small>Note: Top 3 seeds will get a bye after first round</small>
Bracket is for visual purposes only. The CIT does not use a set bracket.
Home teams listed second.<br> <nowiki>*</nowiki> Denotes overtime period.