Pena Blanca is a census-designated place (CDP) in Sandoval County, New Mexico, in the United States. As of the 2000 census, the CDP population was 661. It is part of the Albuquerque Metropolitan Statistical Area. Pena Blanca's name is derived from the Spanish term for "white rock", peña blanca. However, without the tilde, pena blanca actually means "white sorrow" or "white pain".