María de Guadalupe "Lupita" Jones Garay is a Mexican actress, model, producer and beauty queen who was crowned Miss Universe 1991. She was the first Mexican contestant to win a major international beauty pageant.

Miss Universe 1991 was the 40th anniversary of the Miss Universe pageant, held on 17 May 1991 at the Aladdin Theatre for the Performing Arts in Las Vegas, Nevada, United States. Lupita Jones of Mexico crowned by Mona Grudt of Norway. Seventy-three contestants competed in the 1991 Miss Universe pageant.