Miss Teen USA 1989, the 7th Miss Teen USA pageant, was televised live from Orange Pavilion, San Bernardino, California on July 25, 1989. At the conclusion of the final competition, Brandi Sherwood of Idaho was crowned by outgoing titleholder Mindy Duncan of Oregon.

This was the second and final year the pageant was held in San Bernardino. It was hosted by Wil Shriner, with color commentary from Marcia Strassman and Angela Visser, Miss Universe 1989.