Piedras Blancas (disambiguation)

Piedras Blancas (literally, "White Stones") is a fairly common place name in the Spanish-speaking world. It may refer to:
 * Piedras Blancas, a town in Asturias, Spain
 * Piedras Blancas, Montevideo, a neighbourhood in Montevideo, Uruguay
 * Piedras Blancas National Park in Costa Rica
 * Piedras Blancas, Aguada, Puerto Rico, a barrio
 * Piedras Blancas, San Sebastián, Puerto Rico, a barrio
 * Pico Piedras Blancas, a mountain peak in Venezuela
 * Piedras Blancas Light Station, Piedras Blancas Point, California
 * Piedras Blancas State Marine Reserve and Marine Conservation Area in California