Meaning The name means “this youth is beautiful”. The Hawaiin origins use beauty to describe both male and female and refer to inner beauty mostly. Origin of Kaui Hawaiian +-100%Zoom level changed to 1 Popular Middle Names Mae Pronunciation 🔊 Listen Kaui Similar Names Kahuna Oliwier Aksel Finnigan Rilan Alvin Stevie Kualii Mushir Kale Year by Year Popularity of Kaui