Alfonso Fernández may refer to:
Alfonso Fernández el Niño (1243–1281), Spanish nobleman Alfonso Fernández de Bonilla (died 1600), Spanish prelate Alonso Fernández de Avellaneda (fl. 17th century), Spanish writer Alfonso Fernández-Canteli (born 1945), Spanish researcher and engineer Alfonso Fernández (boxer) (born 1951), Spanish boxer Alfonso Fernandez (footballer) (born 1963), Spanish footballer Alfonso Fernández Mañueco (born 1965), Spanish politician