The 2017–18 Texas State Bobcats men's basketball team represented Texas State University in the 2017–18 NCAA Division I men's basketball season. The Bobcats, led by fifth-year head coach Danny Kaspar, played their home games at Strahan Coliseum in San Marcos, Texas as members of the Sun Belt Conference. They finished the season 15–18, 7–11 in Sun Belt play to finish in a tie for ninth place. As the No. 9 seed in the Sun Belt tournament, they defeated Coastal Carolina before losing to Louisiana in the quarterfinals.