Meaning From Celtic origin meaning 'berry, fruit' this name is chiefly used in Welsh. Origin of Arwen Celtic , Irish Popular Middle Names Elaine, Janelis, Kaydence, Leigh, Marie, Mary, Robin, Claire Pronunciation 🔊 Listen Arwen AR-wen Similar Names Sumnah Ffraid Trudie Aneima Aneira Arleigh Ailis Baylea Tiarney Arieen Year by Year Popularity of Arwen