The 2018–19 Tennessee State Tigers basketball team represented Tennessee State University during the 2018–19 NCAA Division I men's basketball season. The Tigers, led by first-year head coach Brian Collins, played their home games at the Gentry Complex in Nashville, Tennessee as members of the Ohio Valley Conference. They finished the season 9–21 overall, 6–12 during OVC play, and finishing in a four-way tie for seventh place. Since only the top eight teams in the conference qualify for the OVC tournament, tiebreakers left Tennessee State as the No. 9 seed, preventing them from participating.