The 2018–19 Texas State Bobcats men's basketball team represented Texas State University in the 2018–19 NCAA Division I men's basketball season.

The Bobcats, led by sixth-year head coach Danny Kaspar, played their home games at Strahan Coliseum in San Marcos, Texas as members of the Sun Belt Conference.

They lost in the semifinals of the Sun Belt tournament to Georgia State.

[1] The Bobcats finished the 2017-2018 season 15–18, 7–11 in Sun Belt play to finish in a tie for ninth place.

9 seed in the Sun Belt tournament, they defeated Coastal Carolina before losing to Louisiana in the quarterfinals.