1983–84 SMU Mustangs men's basketball team

The 1983–84 SMU Mustangs men's basketball team represented Southern Methodist University as a member of the Southwest Conference during the 1983–84 men's college basketball season. The team was led by fourth-year head coach Dave Bliss and played their home games at Moody Coliseum.

Schedule and results
!colspan=9 style=| Regular season

!colspan=9 style=| Southwest Conference tournament

!colspan=9 style=| 1985 NCAA tournament