This is a list of surnames in which the origin is Medieval Spanish. This was the form of the Spanishlanguage that was spoken in medieval times.
GarcíaSpanish From a medieval given name of unknown meaning, possibly related to the Basque word hartz meaning "bear". This is the most common surname in Spain.
GarciaPortuguese, Spanish Portuguese form of García. It is also an unaccented form of the Spanish name used commonly in America and the Philippines.
RicoSpanish, Portuguese From a nickname meaning "rich, wealthy" in Spanish and Portuguese.