Illano (Oscos)
Illano is one of four parishes (administrative divisions) in San Martín de Oscos, a municipality within the province and autonomous community of Asturias, in northern Spain.

It is  in size, with a population of 17 (INE 2006).

Villages and hamlets
 Arruñada (A Arruñada)
 Arne (El Arne)
 San Pedro de Ahio (San Pedro Io)