2017–18 UTSA Roadrunners men's basketball team

The 2017–18 UTSA Roadrunners men's basketball team represented the University of Texas at San Antonio during the 2017–18 NCAA Division I men's basketball season. The Roadrunners, led by second-year head coach Steve Henson, played their home games at the Convocation Center as members of Conference USA. They finished the season 20–15, 11–7 in C-USA play to finish in fifth place. They defeated UTEP in the first round of the C-USA tournament before losing in the quarterfinals to Marshall. They were invited to the CollegeInsider.com Tournament where they defeated Lamar in the first round and received a second round bye before losing in the quarterfinals to Sam Houston State.