The 1998–99 UTSA Roadrunners men's basketball team represented the University of Texas at San Antonio in the 1998–99college basketball season. This was head coach Tim Carter's fourth season at UTSA. They played their home games at the Convocation Center. The Roadrunners finished the season 18–11, 12–6 in TAAC play to finish in a second place tie. They won the Southland tournament to advance to the NCAA tournament for the first time in 11 years. Playing as the No. 16 seed in the West region, UTSA was beaten by No. 1 seed and eventual National champion UConn in the round of 64.[1]