The 2018–19 Houston Cougars men's basketball team represented the University of Houston during the 2018–19 NCAA Division I men's basketball season. The Cougars were led by fifth-year head coach Kelvin Sampson as members of the American Athletic Conference. Beginning December 1, 2018, they played their home games at Fertitta Center, which reopened after a $60 million upgrade. The Cougars played their first four non-conference home games at H&PE Arena while construction on Fertitta Center was completed.