San Cristóbal (San Cristobo) is one of four parishes (administrative divisions) in Villanueva de Oscos, a municipality within the province and autonomous community of Asturias, in northern Spain.
Situated at 471 m (1,545 ft) above sea level, the parroquia is 21.68 km2 (8.37 sq mi) in size, with a population of 27 (INE 2006).