The 2018–19 Texas Southern Tigers basketball team represented Texas Southern University during the 2018–19 NCAA Division I men's basketball season.

The Tigers, led by first-year head coach Johnny Jones, played their home games at the Health and Physical Education Arena in Houston, Texas as members of the Southwestern Athletic Conference (SWAC).

Due to Grambling State's Academic Progress Rate violations and subsequent postseason ineligibility, they received the No.

They received the SWAC's automatic bid to the NCAA tournament where they defeated North Carolina Central in the First Four before losing in the first round to Xavier.

[1][2] On June 25, the school hired Nevada associate head coach and former North Texas and LSU head coach Johnny Jones for the job.