Meaning A pet or short form of the name Llewellyn, meaning 'shining one' , 'lion like' or 'leader'. Origin of Lewin Welsh +-100%Zoom level changed to 1 Popular Middle Names Jesus Pronunciation 🔊 Listen Lewin HHLUWLiHN Similar Names Lyn Lewis Llewelyn Arnie Jerry Launce Arie Robbin Alek Fluellen Year by Year Popularity of Lewin