Ronald Lázaro García Justiniano, nicknamed "Nacho" (born December 17, 1980 in Santa Cruz de la Sierra) is a Bolivian retired footballer.
He currently holds the position of Sports Director at Bolivian club Oriente Petrolero.
He "graduated" from Bolivia's famous football academy Tahuichi Aguilera located in Santa Cruz, which produced some popular Bolivian football stars, including Erwin "Platiní" Sanchez, Marco Antonio "El Diablo" Etcheverry and Jaime Moreno among others.