Miss República Dominicana 2009 was held at the Sans Souci Convention Center in Santo Domingo Este on 17 May 2009. The winner, Ada Aimée de la Cruz (San José de Ocoa), represented the Dominican Republic at Miss Universe 2009. The first runner-up entered Reina Hispanoamericana 2009, the second runner-up Miss Continente Americano 2009, the third runner-up Miss Globe International 2010, and the fourth runner-up Miss Bikini International 2010. Dayana Mendoza, Miss Universe 2008, was invited to the pageant.