Miss Teen USA 2003, the 21st Miss Teen USA pageant, was televised live from Palm Springs Convention Center, Palm Springs, California on 12 August 2003. At the conclusion of the final competition, Miss Oregon Teen USA Tami Farrell was crowned by outgoing queen Vanessa Semrow of Wisconsin. Prior to the live telecast, the 51 contestants competed in a preliminary presentation show where they were judged in swimsuits and evening gowns. Scores from this judging determined the top 15 for the final competition.