Sonia Yesenia Cruz Ayala (born c. 1990) is a Salvadoran beauty pageant titleholder who was crowned Nuestra Belleza El Salvador 2010 and represented her country in the 2010 Miss Universe pageant.

A resident of San Salvador, Cruz is pursuing a bachelor's degree in business management at Universidad Centroamericana "José Simeón Cañas" and will graduate in 2012.^{[citation needed]}

Prior to her participation in Nuestra Belleza El Salvador, Cruz was elected queen of Fiestas Agustinas, a traditional Salvadoran festivity in memory of the Transfiguration of Jesus.^{[citation needed]}

Cruz, who stands 1.73 m (5 ft 8 in) tall, competed as one of 15 finalists in her country's national beauty pageant, Nuestra Belleza El Salvador, held on June 25, 2010, at Telecorporación Salvadoreña studios in San Salvador, where she became the eventual winner of the title, gaining the right to represent El Salvador in Miss Universe 2010.^{[citation needed]}

As the official representative of her country^{[citation needed]} to the 2010 Miss Universe pageant broadcast live from Paradise, Nevada on August 23,^{[citation needed]} Cruz participated as one of 83 delegates who vied for the crown of eventual winner, Ximena Navarrete of Mexico.

After Miss Universe 2010, Cruz represented El Salvador in Miss Continente Americano 2010, held on September 18, 2010, in Guayaquil, Ecuador.^{[citation needed]}

• Official Nuestra Belleza El Salvador website