1989–90 Louisiana Tech Lady Techsters basketball team

The 1989–90 Louisiana Tech Lady Techsters basketball team represented Louisiana Tech University during the 1989–90 NCAA Division I women's basketball season. The team was led by fifth–year head coach Leon Barmore, who led the team to a 32–1 record, the NCAA tournament, and the program's fourth straight Final Four. The Lady Techsters played their home games at the Thomas Assembly Center in Ruston, Louisiana as a member of the American South Conference.

Schedule and results
!colspan=6 style=""| Regular season

!colspan=6 style=""| American South tournament

!colspan=6 style=""| NCAA tournament