Santullano, Santuyano or Santuyanu may refer to:
Santullano (Salas), a parish in northern Spain Santuyano (Mieres) a parish in Asturias, northern Spain Santuyanu (Les Regueres), a parish in northern Spain San Julián (Bimenes) (, official name is bilingual) San Julián de los Prados or Santullano, a church in Oviedo, Spain