San Facundo (Safabondu) is one of 44 parishes (administrative divisions) in Tineo, a municipality within the province and autonomous community of Asturias, in northern Spain.
Situated at 523 m (1,716 ft) above sea level, it is 12.81 km2 (4.95 sq mi) in size, with a population of 210 (INE 2004). The postal code is 33875.