What is is nunez a spanish name?

Yes, Nunez is a Spanish name. It is a patronymic surname derived from the Latin name Nonnus, meaning "grandfather" or "old man." The surname originated in the northern regions of Spain, particularly in Galicia, Castile, and Asturias. Nunez is a common name in Spain and is also found in significant numbers in other Spanish-speaking countries like Mexico, Argentina, and Colombia, among others.