The 10th Nuestra Belleza México pageant, was held at the Teatro del Arte of Morelia, Michoacán, Mexico on September 5, 2003. Thirty-eight contestants of the Mexican Republic competed for the national title, which was won by Rosalva Luna from Sinaloa, who later competed in Miss Universe 2004 in Ecuador where she was a Semifinalist in the Top 15. Luna was crowned by outgoing Nuestra Belleza México titleholder Marisol González. She was the first Sinaloense to win this Title.