The 2019 College Basketball Invitational (CBI) was a single-elimination men's college basketball tournament consisting of 16 National Collegiate Athletic Association (NCAA) Division I teams that did not participate in the 2019 NCAA Men's Division I Basketball Tournament or the NIT. It was held from March 19 through April 5, 2019 in various arenas. This event marked the 12th year the tournament has been held.
The following teams were announced as participants Sunday, March 17 after the NCAA Selection Show.
The following programs declined an invitation to play in the CBI.
The 2019 CBI had 16 teams organized into four regional brackets of four teams. The four teams that advanced to the semifinals were reseeded. The finals were a best-of-three series.
Home teams listed first.<br> <nowiki>*</nowiki> Denotes overtime period.