Meaning Derived from Celtic orign meaning 'ancient one' it is a variant spelling of the English and Irish Cian. Origin of Kien Celtic , Irish Popular Middle Names Ezequiel, Giovanni, Van Pronunciation 🔊 Listen Kien KEE-en Similar Names Kean Keanne Kyan Cian Keon Kian Kiean Tyron Rehaan Tehillam Year by Year Popularity of Kien