Miss Teen USA 2005, the 23rd Miss Teen USA pageant, was held on August 8, 2005 at Baton Rouge River Center, Baton Rouge, Louisiana. Allie LaForce of Ohio was crowned by Shelley Hennig of Louisiana. 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. All the delegates were first to required to win their state pageant, which in some states also meant holding a local title.