Nuño
' (Spanish) or ' (Catalan) is a masculine given name of Latin origin (, , , and so on). Its Portuguese form is '. Its patronymic is ' (). Already in the Middle Ages the name was being confused with the similar but distinct name Munio. The meaning of the name is disputed. It could come from late Latin , meaning 'tutor', later 'monk'. The classicist Iiro Kajanto proposed a Celtic origin, since the name is mainly found in formerly Celtic-speaking parts of Spain.