Piedra is a hair disease.
Piedra (Spanish for "rock") may also refer to:
Piedra (Spain), a tributary of the river Jalón Piedra, California, a community in the United States Piedra River (Colorado), a tributary of the San Juan River, United States Piedra (Mexican cuisine), a stuffed corn dumpling Piedra, Camajuaní, an agricultural production cooperative in the Cuban province of Villa Clara
See also Piedra Blanca, a city in the Dominican Republic Piedras Blancas, a town in Asturias, Spain Piedras Blancas Light, a lighthouse in the U.S. state of California Piedra del Águila Dam, in Patagonia, Argentina Piedras Negras, Coahuila, a city in Mexico Piedras Negras (Maya site), an archaeological site in Guatemala Piedra Guadalupe, a rock in the Farallon Islands, California, United States